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EDEXCEL GCE Edexcel Advanced Subsidiary GCE in Mathematics Further Mathematics Pure Mathematics For teaching from September 2004 First award in January 2005 Edexcel Advanced GCE in Mathematics Further Mathematics Pure Mathematics For teaching from September 2004 First award in June 2005 Mapping from C1–C4 to P1–P3 with Heinemann textbook references 1 Specification content Unit C1 – Core Mathematics 1 The examination The examination will consist of one 1½ hour paper. It will contain about ten questions of varying length. The mark allocations per question will be stated on the paper. All questions should be attempted. Formulae which candidates are expected to know are given in the appendix to this unit and these will not appear in the booklet, Mathematical Formulae including Statistical Formulae and Tables, which will be provided for use with the paper. Questions will be set in SI units and other units in common usage. For this unit, candidates may not have access to any calculating aids, including log tables and slide rules. Preamble Construction and presentation of rigorous mathematical arguments through appropriate use of precise statements and logical deduction, involving correct use of symbols and appropriate connecting language is required. Candidates are expected to exhibit correct understanding and use of mathematical language and grammar in respect of terms such as ‘equals’, ‘identically equals’, ‘therefore’, ‘because’, ‘implies’, ‘is implied by’, ‘necessary’, ‘sufficient’, and notation such as , , and . NOTES HEINEMANN TEXTBOOK REFERENCE Laws of indices for all rational exponents. The equivalence of am/n and nam should be known. P1: Use and manipulation of surds. Candidates should denominators. NEW C1 SPECIFICATION 1. Algebra and functions be able to rationalise P1: 1.1 Laws of indices for rational exponents 1.2 Using and manipulating surds Manipulating surds Rationalising the denominator 2 NEW C1 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE Quadratic functions and their graphs. P1: 1.8 Quadratic functions and their graphs The discriminant of a quadratic function. P1: 1.8 Quadratic functions and their graphs Completing the square. Solution of quadratic Solution of quadratic equations by factorisation, use P1: equations. of the formula and completing the square. 1.9 Completing the square of a quadratic function Completing the square for ax2 + bx + c 1.10 Solving quadratic equations Solving quadratic equations by factorisation Solving quadratic equations by completing the square Solving quadratic equations by using the formula How to check whether a quadratic can be factorised Simultaneous equations: analytical solution by For example, where one equation is linear and one P1: substitution. equation is quadratic 1.11 Solving two simultaneous equations, one linear and one quadratic Solution of linear and quadratic inequalities. 1.12 Solving linear and quadratic inequalities in one variable For example, ax + b > cx + d, px2 + qx + r 0, px2 + qx + r < ax + b. P1: Algebraic manipulation of polynomials, including Candidates should be able to use brackets. P1: expanding brackets and collecting like terms, Factorisation of polynomials of degree n, n 3, factorisation. eg x3 + 4x2 + 3x. The notation f(x) may be used. (Use of the factor theorem is not required.) 1.3 Processing polynomials Adding and subtracting polynomials Multiplying one polynomial by another 1.4 Factorising polynomials 3 NEW C1 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE Graphs of functions; sketching curves defined by Functions to include simple cubic functions and the P2: simple equations. reciprocal function y = k/x with x 0. 2.2 Graphing a function 2.6 Sketching simple graphs of the form y = xn Even and odd functions P2: 2.8 Solving equations graphically Knowledge of the effect of simple transformations Candidates should be able to apply one of these P2: on the graph of y = f(x) as represented by y = af(x), transformations to any of the above functions y = f(x) + a, y = f(x + a), y = f(ax). [quadratics, cubics, reciprocal] and sketch the resulting graph. 2.7 Transforming graphs The transformation y = af(x) The transformation y = f(x) + a The transformation y = f(x + a) The transformation y = f(ax) Geometrical interpretation of algebraic solution of equations. Use of intersection points of graphs of functions to solve equations. Knowledge of the term asymptote is expected. Given the graph of any function y = f(x) candidates should be able to sketch the graph resulting from one of these transformations. 4 NEW C1 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 2. Coordinate geometry in the (x, y) plane Equation of a straight line, including the forms y – y1 = m(x – x1) and ax by c 0 . To include (i) the equation of a line through two given points, (ii) the equation of a line parallel (or perpendicular) to a given line through a given point. For example, the line perpendicular to the line 3x + 4y = 18 through the point (2, 3) has equation y – 3 = 43 (x – 2). P1: 3.1 The equation of a straight line in the form y – y1 = m(x – x1) General method for finding the equation of a straight line from one point and the gradient 3.2 The equation of a straight line in the form y y1 x x1 = y 2 y1 x2 x1 General method for finding the equation of a straight line from two points on the line Conditions for two straight lines to be parallel or perpendicular to each other. 3.3 The general equation of a straight line P1: 3.4 Parallel and perpendicular lines P1: 4.1 Sequences including those given by a general formula for the nth term Representing a series graphically P2: 3.1 Sequences and recurrence relations P1: 4.2 Arithmetic series The sum of an arithmetic series The sum of any arithmetic series 3. Sequences and series Sequences, including those given by a formula for the nth term and those generated by a simple relation of the form xn+1 = f(xn). Arithmetic series, including the formula for the sum of the first n natural numbers. The general term and the sum to n terms of the series are required. The proof of the sum formula should be known. 5 NEW C1 SPECIFICATION HEINEMANN TEXTBOOK REFERENCE NOTES Understanding of notation will be expected. P1: 4.3 The sum of the first n natural numbers 4.6 Further examples on arithmetic [and geometric] series 5.1 The gradient of a graph Gradient of a straight line graph Gradient of a curve 5.2 Using geometry to approximate a gradient A numerical approach to rates of change 5.3 A general approach to rates of change second order derivatives. 5.6 Second derivatives Differentiation of xn, and related sums and E.g., for n 1, the ability to differentiate expressions P1: 2 differences. x + 5x 3 such as (2x + 5)(x 1) and is expected. 1/ 2 3x 5.4 A general formula for Applications of differentiation tangents and normals. 5.7 Turning points 5.8 Tangents and normals to curves 5.9 Using differentiation to solve practical problems 4. Differentiation dy The derivative of f(x) as the gradient of the tangent For example, knowledge that is the rate of dx to the graph of y = f (x) at a point; the gradient of the tangent as a limit; interpretation as a rate of change of y with respect to x. Knowledge of the chain rule is not required. change; P1: The notation f(x) may be used. to gradients, Use of differentiation to find equations of tangents P1: and normals at specific points on a curve. dy when dx y = xn 6 NEW C1 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE P2: 6.3 Applications of differentiation Candidates should know that a constant of integration P1: is required. 6.1 Integration as the inverse of differentiation 6.3 The solution of the differential 5. Integration Indefinite integration as the reverse of differentiation. equation Integration of xn. For example, the ability to integrate expressions such P1: ( x 2) 2 1 as 12 x 2 3x 2 , is expected. 1 x2 6.2 dy = f(x) dx Integration of xn where n ℚ, n 1 Given f(x) and a point on the curve, candidates should be able to find an equation of the curve in the form y = f(x). 7 Appendix C1 – Formulae This appendix lists formulae that candidates are expected to remember and that may not be included in formulae booklets. Quadratic equations b b 4 ac 2a 2 ax 2 bx c 0 has roots Differentiation function derivative xn nx n 1 Integration function integral xn 1 x n 1 + c , n 1 n 1 8 Unit C2 – Core Mathematics 2 The examination will consist of one 1½ hour paper. It will contain about nine questions of varying length. The mark allocations per question which will be stated on the paper. All questions should be attempted. Formulae which candidates are expected to know are given in the appendix to this unit and these will not appear in the booklet, Mathematical Formulae including Statistical Formulae and Tables, which will be provided for use with the paper. Questions will be set in SI units and other units in common usage. Candidates are expected to have available a calculator with at least the following keys: +, , , , π, x2, x, 1 y , x , ln x, ex, x!, sine, cosine and tangent and their x inverses in degrees and decimals of a degree, and in radians; memory. Calculators with a facility for symbolic algebra, differentiation and/or integration are not permitted. Prerequisites A knowledge of the specification for C1, its preamble and its associated formulae, is assumed and may be tested. NEW C2 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 1. Algebra and functions Simple algebraic division; use of the Factor Only division by (x + a) or (x – a) will be required. P1: Theorem and the Remainder Theorem. Candidates should know that if f(x) = 0 when x = a, P1: then (x – a) is a factor of f(x). P3: Candidates may be required to factorise cubic expressions such as x3 + 3x2 – 4 and 6x3 + 11x2 – x – 6. 1.6 Algebraic division 1.7 The factor theorem 1.2 The remainder theorem and the factor theorem Candidates should be familiar with the terms ‘quotient’ and ‘remainder’ and be able to determine the remainder when the polynomial f(x) is divided by (ax + b). 9 NEW C2 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 2. Coordinate geometry in the (x, y) plane Coordinate geometry of the circle using the Candidates should be able to find the radius and the P1: equation of a circle in the form coordinates of the centre of the circle given the (x – a)2 + (y – b)2 = r2 and including use of the equation of the circle, and vice versa. following circle properties: P3: (i) the angle in a semicircle is a right angle; (ii) the perpendicular from the centre to a chord bisects the chord; (iii) the perpendicularity of radius and tangent. 8.13 Simple geometrical properties of a circle 3.1 The circle The equations and properties of tangents to a circle 3.2 Sketching curves given by cartesian equations Sketching the graph of y = 1 f ( x) 3. Sequences and series The sum of a finite geometric series; the sum to The general term and the sum to n terms are P1: infinity of a convergent geometric series, including required. P1: the use of r 1 . The proof of the sum formula should be known. Binomial expansion of (1 x)n for positive integer Expansion of (a + bx)n may be required. P2: 4.4 Geometric series The sum of a geometric series 4.5 The sum to infinity of a convergent geometric series 4.6 Further examples on [arithmetic and] geometric series 3.2 Binomial series for a positive, integral index Binomial expressions Pascal’s triangular array The expansion of (a + b)n, where n is a positive integer using Pascal’s triangle 3.3 Expanding (a + b)n n n. The notations n! and . r 10 NEW C2 SPECIFICATION HEINEMANN TEXTBOOK REFERENCE NOTES 4. Trigonometry The sine and cosine rules, and the area of a triangle in the form 12 ab sin C. Radian measure, including use for arc length and Use of the formulae s = rθ and A = area of sector. 1 2 r2θ for a circle. P1: 8.11 The sine rule and the cosine rule The sine rule The cosine rule The area of a triangle P1: 2.1 Radian measure 2.2 Length of an arc of a circle 2.3 Area of a sector of a circle 2.4 The three basic trigonometric functions for any angle Some special results 2.5 Drawing the graphs of sin x, cos x and tan x Graphing sin x Graphing cos x Graphing tan x Graphing sin nx, cos nx and tan nx Graphing –sin x, –cos x and –tan x Graphing sin (–x), cos (–x) and tan (–x) Graphing n sin x, n cos x and in tan x Graphing sin (x + n), cos (x + n) and tan (x + n) 2.6 The identities tan Sine, cosine and tangent functions. Their graphs, Knowledge of graphs of curves with equations such P1: symmetries and periodicity. as y = 3 sin x, y = sin(x + π/6), y = sin 2x is expected. Knowledge and use of tan = sin2 + cos2 = 1. sin , and cos P1: cos 2 + sin2 1 sin and cos 11 NEW C2 SPECIFICATION HEINEMANN TEXTBOOK REFERENCE NOTES Solution of simple trigonometric equations in a Candidates should be able to solve equations such as given interval. sin (x π/2) = 34 for 0 < x < 2π, cos (x + 30) = 1 2 P1: 2.7 Solving simple equations in a given interval P2: 5.4 Equations of the form ax = b for 180 < x < 180, tan 2x = 1 for 90 < x < 270, 6 cos2 x + sin x 5 = 0 for 0 x < 360, sin2 x = 12 for – x < . 6 5. Exponentials and logarithms y ax and its graph. Laws of logarithms. To include log a xy = log a x + log a y, x log a = log a x log a y, y loga xk = k log a x, 1 log a log a x , x log a a = 1. P2: 5.3 Laws of logarithms The solution of equations of the form ax = b. Candidates may use the change of base formula. P2: 5.4 Equations of the form ax = b Applications of differentiation to maxima and The notation f(x) may be used for the second order P1: minima and stationary points, increasing and derivative. decreasing functions. To include applications to curve sketching. Maxima P1: and minima problems may be set in the context of a practical problem. 5.8 Tangents and normals to curves 5.9 Using differentiation to solve practical problems 6. Differentiation 12 NEW C2 SPECIFICATION HEINEMANN TEXTBOOK REFERENCE NOTES P2: 6.3 Applications of differentiation P1: 6.4 Boundary conditions 6.5 Definite integrals 6.6 Finding the area of a region bounded by lines and a curve 7.4 Numerical integration: the trapezium rule The trapezium rule 7. Integration Evaluation of definite integrals. Interpretation of the definite integral as the area under a curve. Candidates will be expected to be able to evaluate P1: the area of a region bounded by a curve and given straight lines. E.g. find the finite area bounded by the curve y = 6x – x2 and the line y = 2x. x dy will not be required. Approximation of area under a curve using the trapezium rule. E.g. evaluate 1 0 (2 x 1) dx using the values of P2: (2 x 1) at x = 0, 0.25, 0.5, 0.75 and 1. 13 Appendix C2 – Formulae This appendix lists formulae that candidates are expected to remember and that may not be included in formulae booklets. Laws of logarithms log a x log a y log a ( xy) x log a x log a y log a y k log a x log a x k Trigonometry In the triangle ABC a b c sin A sin B sin C area = 1 2 ab sin C Area area under a curve b a y dx ( y 0) 14 Unit C3 – Core Mathematics 3 The examination The examination will consist of one 1½ hour paper. It will contain about seven questions of varying length. The mark allocations per question which will be stated on the paper. All questions should be attempted. Formulae which candidates are expected to know are given in the appendix to this unit and these will not appear in the booklet, Mathematical Formulae including Statistical Formulae and Tables, which will be provided for use with the paper. Questions will be set in SI units and other units in common usage. Candidates are expected to have available a calculator with at least the following keys: +, , , , π, x2, x, 1 y , x , ln x, ex, x!, sine, cosine and tangent and their x inverses in degrees and decimals of a degree, and in radians; memory. Calculators with a facility for symbolic algebra, differentiation and/or integration are not permitted. Prerequisites A knowledge of the specification for C1and C2, their preambles, prerequisites and associated formulae, is assumed and may be tested. Preamble Methods of proof, including proof by contradiction and disproof by counter-example, are required. At least one question on the paper will require the use of proof. 15 NEW C3 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 1. Algebra and functions Simplification of rational expressions including Denominators of rational expressions will be linear or P2: factorising and cancelling, and algebraic division. x3 1 ax + b 1 quadratic, eg , , . ax + b px2 + qx + r x 2 1 1.1 Simplifying rational algebraic expressions Cancelling common factors Multiplying fractions Dividing fractions Adding fractions Subtracting fractions P2: 1.2 Equations containing algebraic fractions P1: 1.6 Algebraic division Definition of a function. Domain and range of The concept of a function as a one-one or many-one P2: functions. Composition of functions. Inverse mapping from ℝ (or a subset of ℝ) to ℝ. The functions and their graphs. notation f : x ↦ . . . and f(x) will be used. 2.1 Mappings and functions Introducing the notation of functions 2.3 Composite functions 2.4 Inverse functions 2.5 Modulus functions Candidates should know that fg will mean ‘do g first, then f ’. Candidates should know that if f1 exists, then f1f(x) = ff1(x) = x. The modulus function. Candidates should be able to sketch the graphs of y = P2: ax + b and the graphs of y = f(x) and y = f(x), given the graph of y = f(x). The modulus function x, x ℝ The modulus function f(x) The modulus function f(x), x ℝ 16 NEW C3 SPECIFICATION HEINEMANN TEXTBOOK REFERENCE NOTES Candidates should be able to sketch the graph of, e.g., y = 2f(3x), y = f(x) + 1, given the graph of y = f(x) or the graph of, e.g. y = 3 + sin 2x, y = cos (x + 4 ). The graph of y = f(ax + b) will not be required. 2. Trigonometry Knowledge of secant, cosecant and cotangent and of Angles measured in both degrees and radians. arcsin, arccos and arctan. Their relationships to sine, cosine and tangent. Understanding of their graphs and appropriate restricted domains. 4.1 Secant, cosecant and cotangent Drawing the graphs of sec x, cosec x and cot x 4.2 Inverse trigonometric functions P2: 4.3 Identities Knowledge and use of double angle formulae; use To include application to half-angles. Knowledge of P2: of formulae for sin(A B), cos (A B) and tan (A the t (tan 12 ) formulae will not be required. B) and of expressions for a cos + b sin in the equivalent forms of r cos ( a) or r sin ( a). Candidates should be able to solve equations such as a cos + b sin = c in a given interval, and to prove simple identities such as cos x cos 2x + sin x sin 2x cos x. 4.4 The addition formulae sin (A B), cos (A B), tan (A B) and simple applications 4.5 Double angle formulae Half angle formulae 4.6 Sum and product formulae 4.7 Solving trigonometric equations 4.8 Alternative forms of a cos + b sin Knowledge and use of sec2 = 1 + tan2 and cosec2 = 1 + cot2 . P2: 17 NOTES HEINEMANN TEXTBOOK REFERENCE The function ex and its graph. To include the graph of y = eax + b + c. P2: 5.1 Exponential functions The function ln x and its graph; ln x as the inverse function of ex. Solution of equations of the form eax + b = p and ln (ax + b) = q is expected. P2: 5.2 The natural logarithmic function P2: 6.1 The differentiation of ex 6.2 The differentiation of ln x, x > 0 P3: 2.7 Differentiating trigonometric functions Differentiation using the product rule, the quotient Differentiation of cosec x, cot x and sec x are P3: rule and the chain rule. required. Skill will be expected in the differentiation of functions generated from standard forms using products, quotients and composition, such as 2x4 sin e3 x x, , cos x2 and tan2 2x. x 2.1 Composite functions 2.2 Differentiating composite functions using the chain rule 2.3 Differentiating products 2.4 Differentiating quotients 2.5 Connected rates of change 2.6 Further examples using differentiation 2.8 Differentiating relations given implicitly NEW C3 SPECIFICATION 3. Exponentials and logarithms 4. Differentiation Differentiation of ex, ln x , sin x, cos x, tan x and their sums and differences. The use of dy 1 . dx dx dy E.g. finding dy for x = sin 3y. dx P3: 18 NEW C3 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 5. Numerical methods Location of roots of f(x) = 0 by considering changes of sign of f(x) in an interval of x in which f(x) is continuous. P2: 8.1 Locating the roots of f(x) = 0 Approximate solution of equations using simple Solution of equations by use of iterative procedures P2: iterative methods, including recurrence relations of for which leads will be given the form xn+1 = f(xn). 8.2 Simple iterative methods Starting points for iteration Convergence How to check the degree of accuracy of a root 19 Appendix C3 – Formulae This appendix lists formulae that candidates are expected to remember and that may not be included in formulae booklets. Trigonometry cos 2 A sin 2 A 1 sec 2 A 1 tan 2 A 2 2 cosec A 1 cot A sin 2 A 2 sin A cos A cos 2 A cos2 A sin 2 A tan 2 A 2 tan A 1 tan2 A Differentiation function derivative sin kx cos kx ekx k cos kx –k sin kx kekx 1 x f ( x) + g ( x) f ( x) g( x) f ( x) g ( x) f ( g ( x )) g ( x ) ln x f (x) + g (x) f ( x) g ( x) f (g (x)) 20 Unit C4 – Core Mathematics 4 The examination The examination will consist of one 1½ hour paper. It will contain about seven questions of varying length. The mark allocations per question which will be stated on the paper. All questions should be attempted. Formulae which candidates are expected to know are given in the appendix to this unit and these will not appear in the booklet, Mathematical Formulae including Statistical Formulae and Tables, which will be provided for use with the paper. Questions will be set in SI units and other units in common usage. Candidates are expected to have available a calculator with at least the following keys: +, , , , π, x2, x, 1 y , x , ln x, ex, x!, sine, cosine and tangent and their x inverses in degrees and decimals of a degree, and in radians; memory. Calculators with a facility for symbolic algebra, differentiation and/or integration are not permitted. Prerequisites A knowledge of the specification for C1, C2 and C3 and their preambles, prerequisites and associated formulae, is assumed and may be tested. NEW C4 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 1. Algebra and functions Rational functions. Partial fractions (denominators Partial fractions to include denominators such as (ax not more complicated than repeated linear terms). + b)(cx + d)(ex + f) and (ax + b)(cx + d)2. The degree of the numerator may equal or exceed the degree of the denominator. Applications to integration, differentiation and series expansions. P3: 1.1 Partial fractions Linear factors in the denominator Quadratic factor in the denominator Repeated factor in the denominator Improper algebraic fractions Quadratic factors in the denominator such as (x2 + a), a > 0, are not required. 21 NEW C4 SPECIFICATION NOTES HEINEMANN TEXTBOOK REFERENCE 2. Coordinate geometry in the (x, y) plane Parametric equations of curves and conversion Candidates should be able to find the area under a P3: between Cartesian and parametric forms. curve given its parametric equations. Candidates will not be expected to sketch a curve from its parametric equations. 3.3 Sketching curves given by parametric equations Parametric equations that easily transform to a cartesian equation Curves that cannot easily be sketched from their cartesian equation or whose cartesian equation is difficult to obtain Curves with trigonometric parametric equations P3: 1.3 The binomial series (1 + x)n, n ℚ, x < 1 defined The finding of equations of tangents and normals to P3: curves given parametrically or implicitly is required. 2.8 Differentiating relations given implicitly 2.9 Differentiating functions given parametrically 4.7 Exponential growth and decay Forming and solving simple differential equations 3. Sequences and series Binomial series for any rational n. b , candidates should be able to obtain the a expansion of (ax + b)n, and the expansion of rational functions by decomposition into partial fractions. For x 4. Differentiation Differentiation of simple implicitly or parametrically. Exponential growth and decay. functions Knowledge and use of the result d x (a ) = ax ln a dx is expected. P3: 22 HEINEMANN TEXTBOOK REFERENCE NEW C4 SPECIFICATION NOTES Formation of simple differential equations. Questions involving connected rates of change may P3: be set. 4.7 Exponential growth and decay Forming and solving simple differential equations To include integration of standard functions such as P2: 1 sin 3x, sec2 2x, tan x, e5x, . 2x 7.1 The integration of ex 7.2 The integration of 4.1 Integrating standard functions y 2 d x is required but not x 2 d y . Candidates P2: should be able to find a volume of revolution, given parametric equations. 7.3 Using integration to find areas and volumes The area under a curve Volumes of revolution P3: 4.6 Further examples on areas of regions and volumes of solids of revolution Simple cases of integration by substitution and Except in the simplest of cases the substitution will P3: integration by parts. These methods as the reverse be given. The integral ln x d x is required. More than processes of the chain and product rules one application of integration by parts may be respectively. required, for example x 2e x dx . 4.3 Integrating using substitutions 4.4 Integrating by parts 4.5 A systematic approach to integration 5. Integration Integration of ex, 1 , sinx, cosx. x Candidates should recognise integrals of the form P3: f ( x) dx = ln f(x) + c. f( x) 1 x Candidates are expected to be able to use trigonometric identities to integrate, for example, sin2 x, tan2 x, cos2 3x. Evaluation of volume of revolution. 23 HEINEMANN TEXTBOOK REFERENCE NEW C4 SPECIFICATION NOTES Simple cases of integration using partial fractions. Integration of rational expressions such as those P3: arising from partial fractions, 2 3 e.g. , . 3x 5 ( x 1) 2 4.2 Integrating using identities Note that the integration of other rational expressions, x 2 such as 2 and is also required (see x 5 (2 x 1) 4 above paragraphs). Analytical solution of simple first order differential equations with separable variables. General and particular solutions will be required. P3: 4.7 Exponential growth and decay Forming and solving simple differential equations Numerical integration of functions. Application of the trapezium rule to functions covered in C3 and C4. Use of increasing number of trapezia to improve accuracy and estimate error will be required. Questions will not require more than three iterations. P2: 7.4 Numerical integration: the trapezium rule The trapezium rule P3: 5.1 Some definitions Directed line segment Displacement vector Simpson’s Rule is not required. 6. Vectors Vectors in two and three dimensions. 24 HEINEMANN TEXTBOOK REFERENCE NEW C4 SPECIFICATION NOTES Magnitude of a vector. Candidates should be able to find a unit vector in the P3: direction of a, and be familiar with a. Algebraic operations of vector addition and multiplication by scalars, and their geometrical interpretations. Position vectors. The distance between two points. 5.1 Some definitions Modulus of a vector Equality of vectors The zero vector Negative vector 5.2 More definitions and operations on vectors Unit vector P3: 5.2 More definitions and operations on vectors Scalar multiplication of a vector Parallel vectors Adding vectors The commutative law The associative law Subtracting vectors Non-parallel vectors P3: 5.3 Position vectors Position vector of the mid-point of a line 5.4 Cartesian components of a vector in two dimensions 5.5 Cartesian coordinates in three dimensions Finding the distance between two points OB OA AB b a . The distance d between two points (x1 , y1 , z1) and (x2 , y2 , z2) is given by d 2 = (x1 – x2)2 + (y1 – y2)2 + (z1 – z2)2 . 25 NEW C4 SPECIFICATION Vector equations of lines. NOTES To include the forms r = a + tb and r = c + t(d – c). HEINEMANN TEXTBOOK REFERENCE P3: 5.6 Cartesian components of a vector in three dimensions 5.8 The vector equation of a straight line 5.9 Deriving cartesian equations of a straight line from a vector equation 5.7 The scalar product of two vectors The scalar product in terms of cartesian coordinates The projection of a vector on to another vector Intersection ,or otherwise, of two lines. The scalar product. Its use for calculating the angle Candidates should know that for between two lines. OA = a = a1i + a2j + a3k and OB = b = b1i + b2j + b3k then P3: a . b = a1b1 + a2b2 + a3b3 and a.b cos AOB = . ab Candidates should know that if a . b = 0, and that a and b are non-zero vectors, then a and b are perpendicular. 26 Appendix C4 – Formulae This appendix lists formulae that candidates are expected to remember and that may not be included in formulae booklets. Integration function integral cos kx 1 sin kx + c k 1 cos kx + c k 1 kx e +c k sin kx ekx 1 x f ( x) g ( x) f (g ( x)) g ( x) ln x + c, x 0 f ( x) + g ( x) + c f ( g ( x )) + c Vectors x a y b xa yb zc z c 27