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16. If x_1,x_2 and x_3 be the roots of equation x^3+3x-1=0, then ∑_{i=1^3x_i^3 is equal to

Answer» 16. If x_1,x_2 and x_3 be the roots of equation x^3+3x-1=0, then ∑_{i=1^3x_i^3 is equal to


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