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The equatio (x ^(2 ))/( 2 -r) + (y ^(2))...

The equatio `(x ^(2 ))/( 2 -r) + (y ^(2))/(r -5) +1=0` represents an ellipse, if

A

`rgt5`

B

`2ltrlt5`

C

`rlt2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
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