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The auxilary circle of the ellipse 9 x^(...

The auxilary circle of the ellipse `9 x^(2)+4 y^(2)=1` is

A

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

B

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

C

` 4(x^(2)+y^(2))=1`

D

`9(x^(2)+y^(2))=1`

Text Solution

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The correct Answer is:
D
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HIMALAYA PUBLICATION-ELLIPSE-QUESTION BANK
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