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Equation of circle S(x,y)=0, (S(2,3)=16)...

Equation of circle S(x,y)=0, (S(2,3)=16) which touches the line 3x+4y-7=0 at (1,1) is given by

A

`x^2+y^2+x+2y-5=0`

B

`x^2+y^2+2x+2y-6=0`

C

`x^2+y^2+4x-6y=0`

D

none of these

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The correct Answer is:
A
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