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Find the equation of a circle concentric...

Find the equation of a circle concentric with the circle `2x^2+2y^2-6x+8y+1=0` and of double its area.

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PATHFINDER-CONIC SECTION-QUESTION BANK
  1. One end of a diameter of the circle x^2+y^2-3x+5y-4=0 is (2,1). Find t...

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  2. Find the focus, directrix and eccentricity of the parabola y^2=2 sqrt(...

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  3. In each of the following find the coordinates of the focus , axis of t...

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  4. Find the locus of the point P, sum of whose distance from the points F...

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  5. In each of the Find the coordinates of the foci, the vertices, the len...

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  6. Find the equation of the ellipse with e=3/4, foci on y-axis, centre at...

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  7. A rod PQ of length 16 units moves with its ends P and Q always touchin...

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  8. Find the locus of the point P, sum of whose distances from the pointsF...

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  9. Find the equation of a parabola whose focus is (1,2) and directrix is ...

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  10. Find the equation of an ellipse with eccentricity 1/2, focus F(1,1) an...

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  11. The foci of a hyperbola coincide with the foci of the ellipse x^2/25 +...

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  12. A man running on a race course notes that the sum of his distances fro...

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  13. An arch is in the from of a semi - ellipse. It is 8 m wide and 2 m hig...

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  14. A parabolic reflector is 40 cm in diameter and 10 cm deep. Find the po...

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  15. Find the equation of a circle which passes through the origin and make...

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  16. Find the equation to the circle which passes through the point (2,-2),...

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  17. Find the equation of a circle concentric with the circle 2x^2+2y^2-6x+...

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  18. Find the points of intersection (if any) of the line x+2y-5=0 and the ...

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  19. Find the length of the chord intercepted by the circle x^2+y^2-6x+8y-5...

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  20. Find the equations of circles which touch the axes and whose centres l...

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