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If the tangent to the circle x^2+y^2=5 a...

If the tangent to the circle `x^2+y^2=5` at (1,-2) also touches the circle `x^2+y^2-8x+6y+20=0` then the point of contac tis

A

(1,0)

B

(3,-1)

C

(5,2)

D

(-1,0)

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

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

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

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

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

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

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

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

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

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

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

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

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

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