1.

The radius of the circle which touches the line x+y=0 at M(−1,1) and cuts the circle x2+y2+6x−4y+18=0 orthogonally, is

Answer»

The radius of the circle which touches the line x+y=0 at M(1,1) and cuts the circle x2+y2+6x4y+18=0 orthogonally, is



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