Question: The vectors P and Q are two adjacent sides of a parallelogram. Determine the area of the parallelogram when (a) P = -8i + 4j

The vectors P and Q are two adjacent sides of a parallelogram. Determine the area of the parallelogram when

(a) P = -8i + 4j - 4k and Q = 3i + 3j + 6k,

(b) P = 7i - 6j - 3k and Q = -3i + 6j - 2k

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