Complex numbers - Pearson Schools and FE Colleges
... Equating real parts gives p 5. Equating imaginary parts gives q 5. (b) The sum of the roots is 2 5i and one root is known to be 1 3i. The other root must be 1 2i. The roots are not conjugates because the quadratic equation did not have real coefficients. An interesting check can now be ma ...
... Equating real parts gives p 5. Equating imaginary parts gives q 5. (b) The sum of the roots is 2 5i and one root is known to be 1 3i. The other root must be 1 2i. The roots are not conjugates because the quadratic equation did not have real coefficients. An interesting check can now be ma ...
