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(x^(2))/(r^(2)-r-6) +(y^(2))/(r^(2) - 6r...

`(x^(2))/(r^(2)-r-6) +(y^(2))/(r^(2) - 6r + 5) = 1 ` will represents an ellipse if r lies in the interval _

A

`(-infty,-2)`

B

`(3,infty)`

C

`(5,infty)`

D

`(1,infty)`

Text Solution

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The correct Answer is:
A, C
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