The equation of the pair of lines throug...

The equation of the pair of lines through the point (2,1) and perpendicular to the pair of lines 4xy + 2x + 6y + 3 = 0 is

A

xy - x - 2y + 2 = 0

B

xy + x - 2y - 2 = 0

C

xy - x + 2y - 6 = 0

D

xy - x + 2y - 2 = 0

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The correct Answer is:

A

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