If alpha , beta , gamma are the ro...

If ` alpha , beta , gamma ` are the roots of ` x^3 +px^2 +qx +r=0` then find
` ( alpha + beta) ( beta + gamma) ( gamma + alpha )`

A

`2(p^2 -3q)`

B

`r-pq`

C

`qp+r`

D

`(p^2 -2q)/(r^2)`

Verified by Experts

The correct Answer is:

C

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