The Volume of the Parallelepiped Whose Adjacent Sides Are the Vectors

Multiple Choice

The volume of the parallelepiped whose adjacent sides are the vectors and $\mathbf { u } = 8 \mathbf { i } - 6 \mathbf { j } + 5 \mathbf { k }$ is

A) $\sqrt { 55 }$
B) $\sqrt { 65 }$
C) $\sqrt { 73 }$
D) $\sqrt { 79 }$
E) 9