1.

Let the lines represented by equation x^2y^2-y^2+1=0 form a square ABCD. A point 'P' is taken on the same plane of square such that atleast two sides of all the triangles PAB, PBC,PCD and PDA are equal. One of the possible position of the 'P' such that atleast one of the given triangle is equilateral given by

Answer»

(0,0)
`(sqrt3+1,0)`
`(0,sqrt3-2)`
`(sqrt3+1,sqrt3-1)`

ANSWER :B


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