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Let ABC be a triangle such that /ACB=(pi...

Let ABC be a triangle such that `/_ACB=(pi)/(6)` and let `a,b` and `c` denote the lengths of the sides opposite to `A, B` and `C` respectively. The value `(s)` of x for which `a=x^(2)+x+1`, `b=x^(2)-1` and `c=2x+1` is (are)

A

`-(2+sqrt(3))`

B

`1+sqrt(3)`

C

`2+sqrt(3)`

D

`4sqrt(3)`

Text Solution

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The correct Answer is:
B
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