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Find the length of the tangent drawn fro...

Find the length of the tangent drawn from any point on the circle `x^2+y^2+2gx+2fy+c_1=0` to the circle `x^2+y^2+2gx+2fy+c_2=0`

A

`c_(1)-c `

B

`c- c_(1)`

C

`sqrt( c -c_(1))`

D

`sqrt( c_(1)-c )`

Text Solution

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The correct Answer is:
d
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