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Equation of circle of circumference 14 ...

Equation of circle of circumference ` 14 pi` units , concentric
with circle ` x^(2) + y^(2) - 6x + 10y = 0 `, is

A

`x^(2) + y^(2) - 6x + 10y - 15 = 0 `

B

`x^(2) + y^(2) + 6x - 10y - 15 = 0 `

C

`x^(2) + y^(2) - 6x + 10y - 2 = 0 `

D

`x^(2) + y^(2) - 6x + 10y + 15 = 0 `

Text Solution

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The correct Answer is:
A
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MARVEL PUBLICATION-CIRCLE AND CONICS -MULTIPLE CHOICE QUESTIONS
  1. Centre and radius of circle 2x^(2) + 2y^(2) - 6x + 4y - 3 = 0 are

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  2. Equation of circle of area 616 sq. units , concentric with circle ...

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  3. Equation of circle of circumference 14 pi units , concentric with...

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  4. If radius of circle 2x^(2) + 2y^(2) - 8x + 4fy + 26 = 0 is 4, the...

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  5. Lengths of intercepts made by circle x^(2) + y^(2) + x - 4y - 12 =...

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  6. Lengths of intercepts by circle x^(2) + y^(2) - 6x + 4y - 12 = 0 "...

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  7. Two circles x^(2) + y^(2) - 4x + 10y + 20 = 0 and x^(2) + y^(2)...

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  8. Two circles x^(2) + y^(2) = 25 and 2x^(2) + 2y^(2) - 2x + y = 0

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  9. If circles x^(2) + y^(2) + 2gx + 2fy + c = 0 and x^(2) + y^(2) + ...

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  10. If circles x^(2) + y^(2) + 2gx + 2fy + e = 0 and x^(2) + y^(2) + ...

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  11. If the two circle x^(2) + y^(2) - 10 x - 14y + k = 0 and x^(2...

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  12. If two circles x^(2) + y^(2) - 2ax + c = =0 and x^(2) + y^(2) - ...

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  13. If the circle x^2 + y^2 = a^2 cuts off a chord of length 2b from the l...

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  14. What is the equation of circle which touches the lines x = 0 , y = 0 ...

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  15. Equation of diameter of circle (x -5) (x - 7) (y -1) = 0 , paral...

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  16. Equations of diameters of circle (x-5)(x-1) + (y - 7) (y-1) = 0 ....

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  17. If circle x (x -1) + y (y -1) = c(x + y -1) touches X-axis , then c...

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  18. Radii of circles x^(2) + y^(2) = 1, x^(2) + y^(2) - 2x - 6y= 6 and ...

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  19. A circle of radius 2 lies in the first quadrant and touches both the a...

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  20. Find the equation of the circle the end points of whose diameter are t...

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