1.

Identify the correct vector identity.

A. i . i = j . j = k . k = 0
B. i x j = j x k = k x i = 1
C. div (u x v) = v . curl(u) – u . curl(v)
D. i . j = j . k = k . i = 1
Answer» D. i . j = j . k = k . i = 1


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