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Equation of circle which touches line x ...

Equation of circle which touches line x = y at the origin , and passes through (2,1), is

A

`x^(2) + y^(2) + 5x + 5y = 0 `

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
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  2. If line 4x + 3y + k = 0 " touches circle " 2x^(2) + 2y^(2) = 5x , t...

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  3. Equation of circle which touches line x = y at the origin , and passe...

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  4. If the line (x)/(a) + (y)/(b)= 1 touches the circle x^(2) + y^(2) ...

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  5. Find the equation of the circle which touches both the axes and the ...

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  6. The intercet on the line y = x by the circle x^(2) + y^(2) - 2x = 0 ...

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  7. Find the greatest distance of the point P(10 ,7) from the circle x^2+y...

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  8. Equation of parabola with vertex (0,0) and focus (2,0) is

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  9. Equation of parabola with vertex (0,0) and focus (2,0) is

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  10. Equation of parabola with vertex (0,0) , X-axis as axis of symmetry , ...

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  11. Equation of parabola with focus (0,2) and directrix y + 2 = 0 is

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  12. Equation of parabola with vertex (0,0) Y-axis ax axis of symmetry and...

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  13. Ends of latus-rectum of parabola 3y^(2) = 20 x are

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  14. Enda of latus-rectum of parabola 3x^(2) + 8y = 0 are

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  15. Focal distance and parameter of the point ((1)/(2), 2) on the parabola...

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  16. Focal distance and co-ordinates of the point on the parabola y^(2) = ...

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  17. If line y = x - 8 meets y^(2) = 4x in A and B , then length of interc...

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  18. If t is the parameter for one end of a focal chord of the parabola y^2...

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  19. If P (3a , 2 asqrt(3)) is one end of a focal chord PQ of y^(2) = 4ax...

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  20. If (x1,y1)and (x2,y2) are ends of a focal chord of y^2 =4ax, then valu...

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