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

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

Text Solution

Verified by Experts

The correct Answer is:
B
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