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If the two circles x^(2)+y^(2)+2gx+c=0 a...

If the two circles `x^(2)+y^(2)+2gx+c=0 and x^(2)+y^(2)-2fy-c=0` have equal radius then locus of (g,f) is

A

`x^(2)+y^(2)=c^(2)`

B

`x^(2)-y^(2)=2c`

C

`x-y^(2)=c^(2)`

D

`x^(2)+y^(2)=2c^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-CIRCLES-EXERCISE II
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