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If alpha, beta,gamma are roots of x^(3) ...

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

A

`p^(2) - 2q`

B

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

C

`p^(4) - 4p^(2) q + 3pr + 2q^(2) `

D

2q

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DIPTI PUBLICATION ( AP EAMET)-THEORY OF EQUATIONS-EXERCISE 1A
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  12. If alpha, beta, gamma are roots of x^(3) + ax^(2) + bx + c = 0 then su...

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  16. If alpha1 , alpha2 ,……….,alphan are the roots of x^n + px + q = 0 , ...

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