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The condition that the circles x^(2)+y^(...

The condition that the circles `x^(2)+y^(2)+2ax+2by+c=0, x^(2)+y^(2)+2bx+2ay+c=0` to touch each other is

A

`(a+b)^(2)=c`

B

`(a+b)^(2)=2c`

C

`(a-b)^(2)=c`

D

`(a-b)^(2)=2c`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1D(Angle Between Circles)
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