Q.If α1, α2, α3,......... αn are the roots of the equation n n-1 n-2 1 2 n-1 n n x + P x + P x +........ + P x + P = 0,P 0, then the value of 1 2 3 n 1 1 1 1 + + +...........+ α is-
Correct answer: n 1 n P −
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