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The length of the tangent from to the ci...

The length of the tangent from to the circle `x^(2)+y^(2)+2gx+2fy+c=0` to the circle `x^(2)+y^(2)+2gx+2fy+c’=0` is

A

`sqrt(c-c')`

B

`sqrt(c+c)`

C

`sqrt(c'-c)`

D

c-c'

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1B(Circle-Line)
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  2. The length of the tangent from (0,0) to the circle 2x^(2)+2y^2+x-y+5=0...

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  3. The length of the tangent from to the circle x^(2)+y^(2)+2gx+2fy+c=0 t...

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  4. The length of the tangent from a point on the circle x^(2)+y^(2)+4x-6y...

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  5. The length of the tangent from the point (-1,1) to the circle x^(2)+y^...

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  6. If the length of the tangent from (2,3) to circle x^(2)+y^(2)+6x+2ky-6...

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  7. If the length of the tangent from two points A,B to a circle are 6,7 r...

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  8. If theline y=x touches the circle x^(2)+y^(2)+2gx+2fy+c=0 at P where O...

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  9. A circle S=0 with radius sqrt2 touches the line x+y-2=0 at (1,1). Then...

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  10. If the length of the tangent from (h,k) to the circle x^(2)+y^2=16 is ...

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  11. If the length of the tangent from (1,2) to the circle x^(2)+y^2+x+y-4=...

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  12. If the length of the tangents from any point on the circle 15x^(2)+15y...

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  13. If the square of the length of the tangents from a point P to the circ...

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  14. The area of the quadrilateral formed by the tangents from the point (4...

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  15. If OA and OB are the tangent from the origin to the circle x^(2)+y^(2)...

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  16. If the distances from the origin to the centres of three circles x^(2)...

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  17. The equation to the circle which is such that the lengths of the tange...

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  18. If the length of the tangent from (f,g) to the circle x^(2)+y^(2)=6 be...

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  19. The locus of the point the lengths of the tangents from which to the c...

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  20. The locus of the point, the lengths of the tangents from which to the ...

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