1.

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

Answer»

`x^(2) + 2y^(2) = 1`
`2x^(2) + y^(2) = 1`
`x^(2) + y^(2) = 1`
`x^(2) + 3Y^(2) = 1`

ANSWER :B


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