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Let A(2,3),B(1,4),C(0,-2) and D(x,y) are...

Let `A(2,3),B(1,4),C(0,-2)` and `D(x,y)` are vertices of a parallelogram ABCD.
Find the value of x and y.

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MAXIMUM PUBLICATION-VECTOR ALGEBRA-EXAMPLE
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  7. Find a unit vector hata.

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