Find the Dot Product V · W $\mathbf { v } = \mathrm { i } + \mathrm { j }$

Multiple Choice

Find the dot product v · w.
- $\mathbf { v } = \mathrm { i } + \mathrm { j }$ and $\mathbf { w } = \mathrm { i } + \mathrm { j } - \mathbf { k }$

A) 1
B) 3
C) $- 2$
D) 2