If alpha, beta, gamma, delta are roots o...

If `alpha, beta, gamma, delta` are roots of `ax^(4) + 4bx^(3) + 6cx^(2) + 4dx + e = 0,` then `sum alpha^(2) beta` =

A

`(12)/(a^(2)) (ad - 2bc)`

B

`-(12)/(a^(2)) (ad - 2bc)`

C

`(12)/(a^(2)) (ad + 2bc)`

D

`-(12)/(a^(2)) (ad + 2bc)`

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The correct Answer is:

1

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DIPTI PUBLICATION ( AP EAMET)-THEORY OF EQUATIONS-EXERCISE 1A

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