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The equation (x^(2))/(10-a)+(y^(2))/(4...

The equation `(x^(2))/(10-a)+(y^(2))/(4-a)=1` represents an ellipse , if

A

`a lt 4`

B

`a gt 4`

C

`4 lt a lt 10`

D

`a gt 10`

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The correct Answer is:
A
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