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The circle with centre (4,-1) and touchi...

The circle with centre (4,-1) and touching x-axis is

A

`x^(2)+y^(2)-8x+2y+16=0`

B

`x+y^(2)+18x-2y-16=0`

C

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

D

`x^(2)+y^(2)+14x-y+4=0`

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The correct Answer is:
A
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AAKASH SERIES-CIRCLES-EXERCISE -I
  1. The equation of the normal to the circle x^(2)+y^(2)+6x+4y-3=0 at (1,-...

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  2. The number of tangents to the circle x^(2)+y^(2)=5, that can be drawn ...

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  3. The circle with centre (4,-1) and touching x-axis is

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  4. Circle touching both the axes and radius 5 is

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  5. The circle 4x^(2)+4y^(2)-12x-12y+9=0

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  6. The equation of the circle of radius 5 and touching the coordinate axe...

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  7. The circle x^(2)+y^(2)-2ax-2ay+a^(2)=0 touches axes of co ordinates at

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  8. If the line x+3y=0 is tangent at (0,0) to the circle of radius 1, then...

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  9. The y-intercept of the circle x^(2)+y^(2)+4x+8y-5=0 is

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  10. In intercept made by the circle with centre (2,3) and radius 6 on y-ax...

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  11. The intercept made by the circle x^(2)+y^(2)+4x-8y+c=0 on x-axis is 2s...

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  12. The centre of the circle passing through origin and making intercepts ...

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  13. If x^(2)+y^(2)-4x-6y+k=0 touches x-axis then k=

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  14. Statement I: The circle with the points of intersectionof the line 3x+...

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  15. Parametric equation of the circle x^(2)+y^(2)=16 are

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  16. The parametric equations of the circle x^(2)+y^(2)+2x+4y-11=0 are

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  17. If x=3+2cos theta, y=5+2sin theta then the locus of the point (x,y) is...

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  18. Locus of the point (sec h theta, tan h theta) is

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  19. Locus of the point (cos theta +sin theta, cos theta - sin theta) where...

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  20. To the circle x^(2)+y^(2)-8x-4y+4=0 tangent at the point theta=(pi)/4 ...

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