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If alpha,beta,gamma are the roots of x^(...

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

A

`p^(3)-3pq+r`

B

`p^(2)-2pq+r`

C

`3pq - 3r- p^(3)`

D

`3pq+3r+p^(3)`

Text Solution

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The correct Answer is:
C
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