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Find the radius of the circle passing th...

Find the radius of the circle passing through the foci of an ellipse `9x^2+16y^2=144` and having least radius.

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The correct Answer is:
Equation of the required circle is `x^2+y^2=7`.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ELLIPSE-EXERCISE4(A)
  1. Find the equation of the ellipse with focus at (1,-1) e=2/3 and direct...

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  2. Find the equation of the ellise in the standard form whose distance be...

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  3. Find the equation of the ellipse in the standard form such that distan...

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  4. Find the eccentricity of the ellipse, (in standard form), if its lengt...

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  5. The distance of a point on the ellipse x^2+3y^2=6 from its centre is e...

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  6. Find the equation of ellipse in the standard form. If it passes throug...

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  7. If the ends of major axis of an ellipse are (5,0) and (-5,0). Find the...

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  8. If the length of the major axis of an ellipse is three times the leng...

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  9. Find the length of major axis,minor axis, latus rectum, eccentricity c...

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  10. Find the length of major axis,minor axis, latus rectum, eccentricity c...

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  11. Find the length of major axis,minor axis, latus rectum, eccentricity c...

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  12. Find the equation of the ellipse in the form ((x-h)^2)/a^2+((y-k)^2)/b...

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  13. Find the equation of the ellipse in the form ((x-h)^2)/a^2+((y-k)^2)/b...

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  14. Find the equation of the ellipse in the form ((x-h)^2)/a^2+((y-k)^2)/b...

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  15. Find the equation of the ellipse in the form ((x-h)^2)/a^2+((y-k)^2)/b...

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  16. Find the radius of the circle passing through the foci of an ellipse 9...

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  17. A man running on a race course notices that the sum of the distances o...

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  18. A line of fixed length (a+b) moves so that its ends are always on two ...

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  19. Prove that the equation of the chord joining the points alpha and beta...

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