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A variable circle always touches the line y=x at the origin. If all the common chords of the given circle and x2+y2+6x+8y−7=0 passes through a fixed point (a,b), then a+b is |
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Answer» A variable circle always touches the line y=x at the origin. If all the common chords of the given circle and x2+y2+6x+8y−7=0 passes through a fixed point (a,b), then a+b is |
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