The equation of the bisector of the obtuse angle between the lines 3x-4y+7=0 and -12x-5y+2=0, is

JEE Main Mathematics question

The equation of the bisector of the obtuse angle between the lines and , is

Answer: (A)

The bisectors are , i.e. (taking ) and (taking ). The unit normals are and with $·

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Question ID VK-024388