Find the equation of circle touching
3x-4y+1=0 at (1,1) and having radius 10 unit.

Hi, Let the center is h,k so its distance from 1,1 will be 10 h-12+k-12= 102h2+k2-2h-2k+2-100=0Replacing, h,kx,yx2+y2-2x-2y-98=0Regards

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