Find A· B
- $$a = 6 \mathbf { j } , \quad b = i + 5 j$$

Multiple Choice

Find a· b.
- $$a = 6 \mathbf { j } , \quad b = i + 5 j$$

A) $\langle 1,30 \rangle$
B) $- 30$
C) $\langle 0,30 \rangle$
D) 30