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Two vertices of an equilateral triangle ...

Two vertices of an equilateral triangle are `(-1,0)` and (1, 0), and its third vertex lies above the x-axis. The equation of its circumcircel is ____________

A

`x^(2)+y^(2)-(1)/(sqrt(3))y-1=0`

B

`x^(2)+y^(2)+(2)/(sqrt(3))y-1=0`

C

`x^(2)+y^(2)-(2)/(sqrt(3))y-1=0`

D

none of these

Text Solution

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The correct Answer is:
C
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