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If alpha, beta, gamma are the roots of t...

If `alpha, beta, gamma` are the roots of the equation `x^(3)+ax^(2)+bx+c=0`, then `alpha^(-1)+beta^(-1)+gamma^(-1)` is equal to

A

`a/c`

B

`c/a`

C

`- b/c`

D

`b/a`

Text Solution

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The correct Answer is:
C
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