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If alpha and beta are the roots of...

If ` alpha ` and `beta ` are the roots of the equation `ax^2+bx +c=0,alpha beta =3` and a,b,c are in A.P ., then `alpha + beta` is equal to

A

`-4`

B

`-1`

C

`4`

D

`-2`

Text Solution

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The correct Answer is:
D
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