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Let A=(3,−1,3), B=(8,3,4), C=(6,1,5), and D=(1,−3,4). Find the area of the parallelogram determined by these four points, the area of the triangle ABC, and the area of the triangle ABD.

Let A313 B834 C615 and D134 Find the area of the parallelogram determined by these four points the area of the triangle ABC and the area of the triangle ABD class=

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