#### eecs4ever

##### Full Member level 3

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**Question about roots**

Suppose a polynomial p(x) has real coeficients.

and if z1 is a root of p(x) . z1 may be complex.

prove the conjugate of z1 is also a root.

if z1 is real, then z1 conjugate = z1, and the proof is complete.

How about if z1 is complex?