9.y If two sides of a triangle are repre...

9.y If two sides of a triangle are represented by `x^2_7xy+6y^2=0` and the centroid is (1,0) then the equation of third side is

`2x-7y+3=0`

`2x+7y-3=0`

`2x-7y-3=0`

`2x+7y+3=0`

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