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The equation of the circles which touch ...

The equation of the circles which touch the y-axis at the origin and the line 5x+12y-72=0 is

A

`x^(2)+y^(2)-6y=0, x^(2)+y^(2)+24y=0`

B

`x^(2)+y^(2)+2y=0, x^(2)+y^(2)-18y=0`

C

`x^(2)+y^(2)+18x=0, x^(2)+y^(2)-8x=0`

D

`x^(2)+y^(2)+4x=0,x^(2)+y^(2)-16x=0`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
  1. The equation of the circle which touches both the axes and the line 4x...

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  2. Equation of circle which touch X-axies at (3,0) and making Y-intercept...

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  3. The equation of the circles which touch the y-axis at the origin and t...

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  4. The circle passing through origin and making intercepts 6 and -4 onx a...

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  5. The equation to the cicle of radius 5. which pass through the two poin...

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  6. The centre of the circle touching y-axis at (0,4) and making an interc...

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  7. The chord of contact of (2,1) with respect to the circle x^(2)+y^(2)=2...

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  8. The polar of (3,-1) w.r.t the circle x^(2)+y^(2)2x-4y+1=0 is

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  9. The pole of 2x+3y=0 with respect to x^(2)+y^(2)+6x-4y=0 is

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  10. If the points (k,1) (2,-3) are conjugate w.r.t. x^(2)+y^(2)+4x-6y-12=0...

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  11. If (1,2),(3,a) are conjugate points w.r.t x^(2)+y^(2)=16 then a=

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  12. If 2x+3y=1 and 3x+4y=k are conjugate lines w.r. the circle x^(2)+y^(2)...

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  13. If the lines 2x+y+12=0, 4x-3y-10=0 are conjugate w.r.t the circle with...

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  14. The points (-6,2),(-3,1) w.r.t the circle x^(2)+y^(2)=20 are

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  15. The inverse point of (1,2) w.r.t. the circle x^(2)+y^(2)=25, is (5,k) ...

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  16. The length of the chord of contact of (-2,3) with respect to the circl...

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  17. The locus of the point, the chord of contact of which wrt the circle x...

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  18. The polar of the point (1,2) w.r.t. the circle x^(2)+y^2-2x-4y-4=0

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  19. The straight line x-2y+5=0 intersects the circle x^(2)+y^(2)=25 in poi...

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  20. The line 4x+4y-11=0 intersects the circle x^(2)+y^(2)-6x-4y+4=0 at A a...

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