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Two adjacent sides of the parallogram ar...

Two adjacent sides of the parallogram are `4x + 5y = 0 and 7x + 2y = 0` one diagonal of the parallogram is along line `11x + 7y = 9.` Then find equation of other diagonal.

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The correct Answer is:
`y = x`
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KUMAR PRAKASHAN-STRAIGHT LINES-Practice Work
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  9. Find image of point (-8, 12) with respect to line 4x+7y+ 13=0.

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  17. Two adjacent sides of the parallogram are 4x + 5y = 0 and 7x + 2y = 0 ...

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