1.

Three vertices of a parallelogram ABCD are A(3, −1, 2) B(1, 2, −4) and C(−1, 1, 2). Find the coordinates of the fourth vertex.

Answer»

Three vertices of a parallelogram ABCD are A(3, 1, 2) B(1, 2, 4) and C(1, 1, 2). Find the coordinates of the fourth vertex.



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