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1) 1/5 2) 10 3) 10v2 4) 5v2 Let C be the...

1) 1/5 2) 10 3) 10v2 4) 5v2 Let C be the circle with centre at (1,1) and radius -1. If T is the circle centered at (0,y), passing through origin and touching the circle C externally, then the radius of T is equal to 56. 3 2 1) 2) 3) 4)

A

`sqrt3//sqrt2`

B

`sqrt3//2`

C

`1//2`

D

`1//4`

Text Solution

Verified by Experts

The correct Answer is:
D
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  8. The number of common tangents to the circles x^(2)+y^(2)-4x-6y-12=0 a...

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  10. If a circle passing through the point (-1, 0) touches y-axis at (0, 2)...

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  11. If y+3x =0 is the equation of a chord of the circle, x^2 + y^2-30x = 0...

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  12. The centres of those circles which touch the circle, x^2+y^2-8x-8y-4=0...

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  13. If one of the diameters of the circle, given by the equation x ^(2) + ...

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  14. A circle passes through (-2, 4) and touches y-axis at (0, 2). Which on...

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  15. Equation of the tangent to the circle at the point (1, -1) whose centr...

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  16. If a point P has co-ordinates (0, -2) and Q is any point on the circle...

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