Area of triangle formed by the lines x+y=3 and angle bisectors of the pair of straight lines x^2-y^2+2y=1 is

JEE Main Mathematics question

Area of triangle formed by the lines and angle bisectors of the pair of straight lines is

Answer: (A)

, so the pair is , two perpendicular lines meeting at ; their angle bisectors are and

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Question ID VK-024651