WBJEE 2021 Math Solved Paper

CATEGORY - I (Q:1 to Q50)

Carry 1 mark each and only one option is correct. In case of incorrect answer or any combination of more than one answer, ¼ mark will be deducted.

Question : 27 of 75

Marks: +1, -0

A moving line intersects the lines x+y=0 and x−y=0 at the points A,B respectively such that the area of the triangle with vertices (0,0),A & B has a constant area C. The locus of the mid-point AB is given by the equation

(x2+y2)2=C2
(x2−y2)2=C2
(x+y)2=C2
(x−y)2=C2

Validate

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