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A, B, C, D are consecutive vertices of a...

A, B, C, D are consecutive vertices of a parallelogram. If the coordinates of A, B and C are (0, 0, 0), (3, -4, 4) and (7, 1, 4) respectively, find using direction ratios the coordinates of the vertex D.

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The correct Answer is:
(4, 5, 0)
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