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Let ABC be a triangle such that angleACB...

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

A

(a) `-(2+sqrt(3))`

B

(b) `1+sqrt(3)`

C

(c) `2+sqrt(3)`

D

(d) `4sqrt(3)`

Text Solution

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The correct Answer is:
B
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