Question

Consider the polynomial x 5 ax4 bx3 cx2 dx 4 where a, b, c, d are real numbers. if (1 2i) and (3 − 2i) are two roots of this polynomial then the value of a is

Answer 1

answer is 5 hope it help

Answer 2

The polynomial has real coefficients. By looking at the two roots you are given, you can write down two more roots without calculation.

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