# Polynomial Proof

Suppose P is a polynomial with real coefficients and P(a+bi)=0. Prove (a-bi)=0

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Problem: Suppose P is a polynomial with real coefficients and P(a+bi)=0. Prove P(a-bi)=0

Solution:

Let P=

Since P(a+bi)=0, we ...

#### Solution Summary

Complex conjugates are used to prove that for P (a polynomial with real coefficients and P(a+bi)=0) that P(a-bi)=0. The solution is detailed and well presented.

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