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harini-v-42432759
Question added by Harini V, , - 7 years ago

If alpha1,alpha2,.alphan are the roots of the equation x^n+p1x^n-1+p2x^n-2+...+pn=0. Show that sigma(alpha1- alpha2)^2=(n-1)p1^2-2np2.?

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Mathematica

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