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If two circles x^(2) + y^(2) - 2ax + c ...

If two circles ` x^(2) + y^(2) - 2ax + c = =0 ` and
` x^(2) + y^(2) - 2by + c = 0 ` touch each other , then c =

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`0.25`
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MCGROW HILL PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -EXERCISE (NUMERICAL ANSWER TYPE QUESTIONS )
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  11. Two circles C (1) and C (2) with equal radii r are centered at (3,2) a...

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  12. If two circles x^(2) + y^(2) - 2ax + c = =0 and x^(2) + y^(2) - ...

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