Relationship between polynomial coefficients and roots?

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Science & Mathematics by Anonymous 2018-05-11 16:11:14

Social Science

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Solve the equation 2x^3-21x^2+42x-16=0 given the roots are alpha/beta, alpha, alpha*beta I am up to the equation substitution step

Anonymous

The given equation has 3 distinct real +ve roots which are x=0.5 x=2 x=8