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If the centroid of an equilateral triang...

If the centroid of an equilateral triangle is (1, 1) and its one vertex is (-1, 2), then the equation of the circumcentre is :

A

`x^2+y^2+2x+2y-3=0`

B

`x^2+y^2+2x-2y-3=0`

C

`x^2+y^2-2x-2y-3=0`

D

`x^2+y^2+2x+2y+3=0`

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -MCQs LEVEL - II
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