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The transformed equation of 3 x^(2)+3 y^...

The transformed equation of `3 x^(2)+3 y^(2)+2 x y-2=0` when the coordinate axes are rotated through an angle of `45^(circ)` is

A

`X^(2)+2 y^(2)=1`

B

`2 X^(2)+Y^(2)=1`

C

`X^(2)+r^(2)=1`

D

`X^(2)+3 Y^(2)=1`

Text Solution

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The correct Answer is:
B
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