The equation of the two adjacent sides o...

The equation of the two adjacent sides of a parallelogram are 4x+ 5y = 0 and 7x + 2y =.0and equation of one of the diagonal is 1 lx + 7y = 9, find the equation of other diagonal.

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Two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0 . If the equation of one diagonal is 11 x+7y=9, find the equation of the other diagonal.

The equations of two adjacent side of a parallelogram are 4x+5y=0 and 7x+2y=0 . If the equation of its one diagonal be 11x+7y=9 , find the equation of its other diagonal.

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