Question: (a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R, and (b) find the area of triangle PQR. (b)

(a) Find a nonzero vector orthogonal to the plane through the points P, Q, and R, and (b) find the area of triangle PQR.

(b) P(0, -2, 0), Q(4, 1, -2), R(5, 3, 1)

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