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

A

`2(p^2 -3q)`

B

`r-pq`

C

`qp+r`

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-THEORY OF EQUATIONS-EXERCISE-II
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  17. Number of transformed equations of x^3 +2x^2 +x+1=0 by eliminating...

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  18. The transformed equation x^3 -5/2 x^2 -(7)/(18 ) x+(1)/( 108 )...

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