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The director circle of the ellispe x^(2...

The director circle of the ellispe ` x^(2)/9 + y^(2)/5 = 1`

A

`x^(2) + y^(2) = 4`

B

`x^(2) + y^(2) = 9`

C

`x^(2) + y^(2) = 45`

D

`x^(2) + y^(2) =14 `

Text Solution

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The correct Answer is:
D
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  12. If the foci of the ellipse x^(2)/16 + y^(2)/b^(2) =1 and the hyperbo...

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  13. When the eccentricity of a ellipse becomes zero , then it becomes a

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  14. The director circle of the ellispe x^(2)/9 + y^(2)/5 = 1

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  15. The auxiliary circle of the ellipse x^(2)/25 + y^(2)/16 = 1

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  16. The length of the diameter of a circle with centre (1,2) and passing t...

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  17. If (1,-3) is the centre of the circle x^(2) + y^(2) +ax + by + 9 =0 ...

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  18. If y = 2x + c is a tangent to the circel x^(2) + y^(2) = 5 , then...

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