The joint equation of the straight lines...

The joint equation of the straight lines `x-y=1` and `2x+y=6` is

A

`2x^(2)-y^(2)-xy-4x+7y-6=0`

B

`2x^(2)-y^(2)-xy-8x+5y+6=0`

C

`2x^(2)-y^(2)-xy+4x-7y-6=0`

D

`2x^(2)-y^(2)-xy+8x-5y+6=0`

Verified by Experts

The correct Answer is:

B

NA

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