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The locus of the centre of a circle of r...

The locus of the centre of a circle of radius 2 which rolls on the outside of circle `x^(2)+y^(2)+3x-6y-9=0` is

A

`x^(2)+y^(2)+3x-6y+5=0`

B

`x^(2)+y^(2)+3x-6y-31=0`

C

`x^(2)+y^(2)+3x-6y+(29)/(4)=0`

D

none of these

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The correct Answer is:
B
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OBJECTIVE RD SHARMA ENGLISH-CIRCLES-Exercise
  1. For the equation ax^(2) +by^(2) + 2hxy + 2gx + 2fy + c =0 where a n...

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  2. The equation of the circle passing through (4, 5) having the centre (2...

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  3. The locus of the centre of a circle of radius 2 which rolls on the out...

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  4. Find the values of k for which the points (2k ,3k),(1,0),(0,1),a n d(0...

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  5. A square is inscribed in the circle x^2+y^2-2x+4y-93=0 with its sides ...

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  6. about to only mathematics

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  7. The equation of circles passing through (3, -6) touching both the axes...

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  8. The centre of a circle passing through (0,0), (1,0) and touching the C...

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  9. If 2x-4y=9 and 6x-12y+7=0 are parallel tangents to circle, then radiu...

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  10. Equation of the diameter of the circle is given by x^(2)+y^(2)-12x+4+6...

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  11. The length of the chrod cut-off by y=2x+1 from the circle x^(2)+y^(2)=...

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  12. Area of a circle in which a chord of length sqrt2 makes an angle (pi)/...

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  13. The coordinates of the middle point of the chord cut-off by 2x-5y+18=0...

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  14. Find the equation of the circle passing through the points (1,-2)a ...

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  15. about to only mathematics

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  16. Equation of the circle with centre on the Y-axis and passing through t...

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  17. If the lines a1x+b1y+c1=0 and a2x+b2y+c2=0 cut the coordinae axes at c...

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  18. about to only mathematics

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  19. about to only mathematics

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  20. If the point (2,0) ,(0,1) , ( 4,5) and ( 0,c) are concyclic, then the ...

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