Find the Dot Product for the Pair of Vectors $\mathbf { i } + 4 \mathbf { j } , 6 \mathbf { i } - \mathbf { j }$

Multiple Choice

Find the dot product for the pair of vectors.
- $\mathbf { i } + 4 \mathbf { j } , 6 \mathbf { i } - \mathbf { j }$

A) $- 2$
B) 10
C) 0
D) 2