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The length of the common chord of x^2+y^...

The length of the common chord of `x^2+y^2+2hx=0 , x^2+y^2-2ky=0` is

A

`(hk)/sqrt(h^2-k^2)`

B

`(2hk)/sqrt(h^2+k^2)`

C

`(hk)/(h^2+k^2)`

D

`(2hk)/(h^2+k^2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-SYSTEM OF CIRCLES-Exercise-I (Class work)
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  13. Area of the triangle formed by the radical axis of the circles x^2+y^2...

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