3.1 15. Let S denote the set of all the infinite sequences
... c) The set of all polynomials p(x) in P4 such that p(0) = 0 is a subspace of P4 becuase it satisfies both conditions of a subspace. To see this first note that all elements of the set described by (c) can be written in the form p(x) = ax3 + bx2 + cx where a, b, c are real numbers. The first conditio ...
... c) The set of all polynomials p(x) in P4 such that p(0) = 0 is a subspace of P4 becuase it satisfies both conditions of a subspace. To see this first note that all elements of the set described by (c) can be written in the form p(x) = ax3 + bx2 + cx where a, b, c are real numbers. The first conditio ...
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Polynomial
In mathematics, a polynomial is an expression consisting of variables (or indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents. An example of a polynomial of a single indeterminate (or variable), x, is x2 − 4x + 7, which is a quadratic polynomial.Polynomials appear in a wide variety of areas of mathematics and science. For example, they are used to form polynomial equations, which encode a wide range of problems, from elementary word problems to complicated problems in the sciences; they are used to define polynomial functions, which appear in settings ranging from basic chemistry and physics to economics and social science; they are used in calculus and numerical analysis to approximate other functions. In advanced mathematics, polynomials are used to construct polynomial rings and algebraic varieties, central concepts in algebra and algebraic geometry.