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If circles x^(2) + y^(2) + 2g(1)x + 2f(...

If circles ` x^(2) + y^(2) + 2g_(1)x + 2f_(1)y = 0` and
` x^(2) + y^(2) + 2g_(2)x + 2f_(2)y = 0 ` touch each other, then

A

`f_(1)g_(1) = f_(2)g_(2)`

B

`(f_(1))/(g_(1)) = (f_(2))/(g_(2))`

C

`f_(1)f_(2) = g_(1)g_(2)`

D

none

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The correct Answer is:
B
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