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If `alpha` and `beta` are the roots of the equation `ax^2 + bx +c =0 (a != 0; a, b,c` being different), then `(1+ alpha + alpha^2) (1+ beta+ beta^2) =`

A

zero

B

positive

C

negative

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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