Which of the Following Is Not True?

A) $\mathbf { v } + \mathbf { w } = \mathbf { w } + \mathbf { v }$

Multiple Choice

Which of the following is not true?

A) $\mathbf { v } + \mathbf { w } = \mathbf { w } + \mathbf { v }$
B) $\mathbf { v } + ( - \mathbf { w } ) = \mathbf { v } - \mathbf { w }$
C) $\frac { \mathbf { v } } { \mathbf { v } } = 1$ for a nonzero vector v
D) v + 0 = v
E) The product of a vector and scalar is a vector.