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Complex Numbers Question... (1 Viewer)

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cant you do the first part, showing it instead of stating it, you are a mad noob ohexploitable, that parts easy
 

deterministic

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(a) Let P(x)=px^4+qx^3+rx^2+sx+t where p, q, r,s, t are real
P(a)=0 implies pa^4+qa^3+ra^2+sa+t = 0
Show P(conj(a))=0
Sub into P(x), use the fact conj(a^n)=conj(a)^n, pconj(a)=conj(pa) if p is real.
try it yourself
 

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