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If (alpha, beta) is the centre of a circ...

If `(alpha, beta)` is the centre of a circle passing through the origin, then its equation is

A

`x ^(2) + y^(2) -alpha x - beta y =0`

B

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

C

`x ^(2) +y^(2) -2 alpha x - 2 beta y =0`

D

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

Text Solution

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The correct Answer is:
C
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