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If a circle of radius 2 touches X-axis a...

If a circle of radius 2 touches X-axis at (1,0) then its centre may be

A

(1,2) an (1,-2)

B

(1,2) and (2,1)

C

(-1,2)(1,-2)

D

(-1,2)(-1,-2)

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The correct Answer is:
A
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AAKASH SERIES-CIRCLES-EXERCISE II
  1. The locus of the middle points of portions of the tangents to the circ...

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  2. Observe the lists:

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  3. If a circle of radius 2 touches X-axis at (1,0) then its centre may be

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  4. The circle passing through (1,-2) and touching the axis of x at (3,0) ...

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  5. Equation of the tangents to the circle at the point (1,-1) whose centr...

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  6. Equation of circles which touch both the axes and also the line x=k(kg...

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  7. Centres of circles touching both the axes and also the line 3x+4y-12=0...

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  8. The radius of the larger circle lying in the first quadrant and touchi...

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  9. The equation of the circles which touch the x-axis at the origin and t...

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  10. If two circles touching both the axes are passing through (2,3) then l...

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  11. The radius of the circle having maximum size passing through (2,4) and...

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  12. Consider a family of circles which are passing through the point (-1,1...

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  13. The locus of centre of the circle touching x-axis nad the line y=x is

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  14. The centre of the circle touching the y-axis at (0,3) and making an in...

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  15. A variable circle passes through the fixed point (2,0) and touches the...

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  16. A circle passes thorugh A(2,1) and touches y-axis then the locus of it...

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  17. A circle passes through A(1,1) and touches x-axis then the locus of th...

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  18. A circle touches x-axis and cuts off constant length 2p from y-axis t...

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  19. The equation of the circles which pass through the origin and makes in...

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  20. Equations of circles which touch both the axes and whose centres are a...

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