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If α is one of the nth complex root of unity other than unity, then the sum of n terms of the series 1+2α+3α2+..... is given by pn1+qα, then the value of p2+q2 is |
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Answer» If α is one of the nth complex root of unity other than unity, then the sum of n terms of the series 1+2α+3α2+..... is given by pn1+qα, then the value of p2+q2 is |
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