All of the following combinations of vectors A, B, and C are scalars except
A) A + B - C.
B) (A - B) · C.
C) A · B $\times$ C.
D) A · B.

Question

Quizplus · Accepted Answer

A + B - C results in a vector, not a scalar. The dot product (·) and cross product (×) operations in options B, C, and D involve operations that result in scalars, but simple vector addition or subtraction results in another vector.

All of the Following Combinations of Vectors A, B, and C