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The equation of the circle passing throu...

The equation of the circle passing through (2,1) and touching the coordinate axes is

A

`x^(2)+y^(2)-2x-2y+1=0`

B

`x^(2)+y^(2)+2x+2y+1=0`

C

`x^(2)+y^(2)-2x-2y-1=0`

D

`x^(2)+y^(2)+2x+2y-1=0`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
  1. Two circles touching both the axes intersect at (3,-2) then the coordi...

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  2. If two circles touching both the axes intersect at two points P and Q ...

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  3. The equation of the circle passing through (2,1) and touching the coor...

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  4. The radius of the circle of least size that passes through (-2,1) and ...

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  5. The equation of the circle which touches both the axes and the line 4x...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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