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The equation of the pair of bisectors of...

The equation of the pair of bisectors of the angle between the pair of straight lines `3x^2 + 7 xy + 2y^2 + 5x + 5y + 2 =0 ` is

A

`7(3x + 5)^2 - 2 (3x + 5) (y+ 5) - 7( y + 5)^2 = 0`

B

`7(3x - 5)^2 - 2 (3x - 5)(y - 5) -7 (y - 5)^2 = 0`

C

`7(5x + 3)^2 - 2 (5x + 3) (5y + 1) - 7 (5y + 1)^2 = 0`

D

` 7(5x - 3)^2 - 2 (5x - 3) (5y - 1) - 7(5y-1)^2 = 0`

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The correct Answer is:
C
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