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

B

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

C

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

D

`x^(2) + y^(2) + x + y =0`

Text Solution

Verified by Experts

The correct Answer is:
A
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