Volume of parallelepiped formed by ā, b̄, c̄:
A|(ā × b̄)·c̄|
B|ā + b̄ + c̄|
Cā·(b̄ + c̄)
D|ā||b̄||c̄|
Answer & Solution
Correct answer: A. |(ā × b̄)·c̄|
Volume = |(ā × b̄)·c̄| = |scalar triple product|. The absolute value because volume must be positive; the sign of the scalar triple product depends on the orientation of vectors.
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