1.

Ifalpha, beta , gammaare therootsof theequationx^3 - px^2 + qx +r=0then( alpha+ beta ) ( beta + gamma) ( gamma+ alpha)=

Answer»

`2(p^2 -3Q)`
`r-pq`
`qp+r`
`(p^2 -2Q)/(r^2)`

ANSWER :C


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