Let , And $\mathbf { u } = \langle 1,1 , - 6 , \rangle$

Multiple Choice

Let , and $\mathbf { u } = \langle 1,1 , - 6 , \rangle$ Then $\mathbf { v } = \langle 3,0,8 \rangle$ is

A) $\sqrt { 53 }$
B) $\sqrt { 54 }$
C) $\sqrt { 55 }$
D) $\sqrt { 56 }$
E) $\sqrt { 57 }$