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The equation of the auxiliary circle of ...

The equation of the auxiliary circle of the ellipse :
`9x^(2)+4y^(2)-8y-32=0` is :

A

`x^(2)+y^(2)-2y-8=0`

B

`x^(2)+y^(2)-8y+7=0`

C

`x^(2)+y^(2)-4x-5=0`

D

None of these

Text Solution

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The correct Answer is:
A
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