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Find the equation of the circie concentr...

Find the equation of the circie concentric with the circle `x^2 + y^2 + 4x-8y- 6 = 0` and having radius double of its radius.

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MODERN PUBLICATION-CONIC SECTIONS-EXERCISE
  1. Find the equation of a circle passing through the centre of the circle...

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  2. Find the equation of the circie concentric with the circle x^2 + y^2 +...

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  3. Find the equation of the circie concentric with the circle x^2 + y^2 +...

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  4. The circle (x-a)^2 + (y-a)^2 = a^2 is rolled on the y-axis in the posi...

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  5. Find the equation of a circle of radius 5 which lies within the circle...

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  6. Find the equation of the circle passing through the vertices of the tr...

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  7. Find the equation of the circle passing through the vertices of the tr...

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  8. Show that the points (5, 5),(6, 4),(- 2, 4) and (7, 1) all lie on a ci...

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  9. Prove that the points (1,- 6), (5, 2), (7, 0) and (- 1,-4) are concycl...

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  10. Show that the point (x,y), where : x=a+r cos alpha, y=b+r sin alpha l...

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  11. Find the parametric representation of the following circle x^2 + y^2...

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  12. Find the parametric representation of the following circle 3x^2 + 3y...

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  13. Find the parametric representation of the following circle (x-2)^2+(...

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  14. Find the parametric representation of the following circle x^2 + y^2...

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  15. Find the parametric form of the equation of the circle x^(2)+y^(2)+p...

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  16. Find the parametric representation of the following circle x^2 + y^2...

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  17. Find the parametric equation of the circles : 2x^2 + 2y^2-5x-7y-3=0.

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  18. Find the parametric equation of the circles : 3x^2 + 3y^2+4x-6y-4=0.

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  19. Find the equations of the following curves in cartesian form. Wherever...

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  20. Find the equations of the following curves in cartesian form. Wherever...

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