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If the circle x^2+y^2+2gx+2fy+c=0 is tou...

If the circle `x^2+y^2+2gx+2fy+c=0` is touched by `y=x` at `P` such that `O P=6sqrt(2),` then the value of `c` is 36 (b) 144 (c) 72 (d) none of these

A

36

B

72

C

144

D

288

Text Solution

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The correct Answer is:
B
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