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Let n be even postiive integer such thatn/2 is odd and letalpha_(0) ,alpha_(1) ,……..,alpha_(n+1) be the complex roots of unityof order n. prove that overset(n/1)underset(k=0)(II)(a+balpha_(k)^(2))=(alpha^(n/2)+b^(n/2))^(2) for any complex numbers a and b |
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