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The distance between the chords of conta...

The distance between the chords of contact of tangents to the circle `x^2+y^2+2gx +2fy+c=0` from the origin & the point (g,f) is

A

`2 sqrt (g ^(2) +f ^(2) -c)`

B

`(g ^(2) +f^(2) -c) //2 sqrt (g ^(2) + f ^(2))`

C

`(1//2) (g ^(2) + f 6^2) +c)`

D

`g ^(2) + f ^(2) -c `

Text Solution

Verified by Experts

The correct Answer is:
B
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MCGROW HILL PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -EXERCISE (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))
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