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the equation ax^(2)+ 2hxy + by^(2) + ...

the equation `ax^(2)+ 2hxy + by^(2) + 2gx + 2 fy + c=0` represents an ellipse , if

A

`Delta =0,h^(2) lt ab`

B

`Delta ne 0, h^(2) lt ab`

C

`Delta ne 0, h^(2) gt ab`

D

`Delta ne 0, h^(2) = ab`

Text Solution

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The correct Answer is:
B
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