1.

ABCD is a square whose vertices A(0,0) B (2,0), C(0,2). This square is rotated in the xy-plane with an angle of 30^@ in aniclockwise direction about an axis passing through the vertex A, the equation of the diagonal BD of this rotated square is ……… . If E is the centre of the square, the equation of the cirecumcircle of the triangle ABE is

Answer»

`(2-sqrt3x+y=2(sqrt3-1)`
`(1+sqrt3)X-(1-sqrt2)y=2`
`x^2+y^2-xsqrt3-y=0`
`x^2+y^2=9`

ANSWER :A::D


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