The value of a that makes $\mathbf { v } = 2 \mathbf { i } - \mathbf { j } + 3 \mathbf { k }$ and $\mathbf { w } = 4 \mathbf { i } + a \mathbf { j } + \mathbf { k }$ orthogonal is

A)7
B)11
C)13
D)-11
E)-7

Question

The value of a that makes $\mathbf { v } = 2 \mathbf { i } - \mathbf { j } + 3 \mathbf { k }$ and $\mathbf { w } = 4 \mathbf { i } + a \mathbf { j } + \mathbf { k }$ orthogonal is

A)7
B)11
C)13
D)-11
E)-7

Quizplus · Accepted Answer

The Answer of The value of a that makes $\mathbf { v } = 2 \mathbf { i } - \mathbf { j } + 3 \mathbf { k }$ and $\mathbf { w } = 4 \mathbf { i } + a \mathbf { j } + \mathbf { k }$ orthogonal is

A)7
B)11
C)13
D)-11
E)-7

The Value of a That Makes v=2i−j+3k\mathbf { v } = 2 \mathbf { i } - \mathbf { j } + 3 \mathbf { k }v=2i−j+3k

The Value of a That Makes $\mathbf { v } = 2 \mathbf { i } - \mathbf { j } + 3 \mathbf { k }$