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A value of b for which the equations x^...

A value of b for which the equations ` x^2 +bx -1=0` and `x^2 +x+b=0` have one root in common is

A

`- sqrt(2)`

B

`-isqrt(3)`

C

`isqrt(5)`

D

`sqrt(2)`

Text Solution

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The correct Answer is:
B
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