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The equation of the tangents drawn from ...

The equation of the tangents drawn from the origin to the circle `x^(2)+y^(2)-2gx-2fy+f^(2)=0` is

A

`x=0, (f^(2)-g^(2))x-2fgy=0`

B

`x=1, (f^(2)+2g^(2))x+2fgy=0`

C

`x=2, (2f^(2)+3g^(2))x+2fgy=0`

D

`x=5, (3f^(2)+5g^(2))x+2fgy=0`

Text Solution

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
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  12. The parametric equation of the circle (x-3)^(2)+(y-2)^(2)=100 are

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  13. The coordinate of the point on the circle (x-1)^(2)+(y+2)^(2)=9 having...

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  17. If x=-2+3 cos theta, y=1+3 sin theta then the locus of the point (x,y)...

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