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If 1 is a common root of ax^(2) + ax + 2...

If 1 is a common root of `ax^(2) + ax + 2 = 0 and x^(2) + x + b = 0 "then" a.b =`

A

2

B

`-2`

C

3

D

`-3`

Text Solution

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-QUADRATIC EQUATIONS-OBSERVATION BITS TO SOLVE VARIOUS BITS GIVEN IN THE PUBLIC EXAMINATION
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