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The adjacent sides of a parallelogram ar...

The adjacent sides of a parallelogram are `2x^(2)-5xy+3y^(2)=0` and one diagonal is x + y + 2 = 0. Find the vertices and the other diagonal.

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The correct Answer is:
`(0,0)((-6)/(5),(-4)/(5)),((-11)/(5),(-9)/(5)) (-1,-1): 9x-11y=0`
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