1.

If the radical axis of the circles x2+y2+2gx+2fy+c=0 and 2x2+2y2+3x+8y+2c=0 touches the circle x2+y2+2x+2y+1=0, then

Answer»

If the radical axis of the circles x2+y2+2gx+2fy+c=0 and 2x2+2y2+3x+8y+2c=0 touches the circle x2+y2+2x+2y+1=0, then



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