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If (x^(2))/(a+7)+(y^(2))/(5-a)=1 represe...

If `(x^(2))/(a+7)+(y^(2))/(5-a)=1` represent a hyperbola then

A

`agt5`

B

`alt-7`

C

`alt5`

D

`alt-7` or `agt5`

Text Solution

Verified by Experts

The correct Answer is:
d
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