1.

If alpha, beta , gamma are the roots of the equation x^3+px^2+qx+r=0 . Find the value of the following in terms of coefficients. (i) sum1/(betar) (ii) sum1/alpha (iii) sumalpha^2beta

Answer»


ANSWER :(i) `p/r`
(II) `-q/r`
(III) `3r-pq`


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