Solve the problem.
-If $\mathbf { v } = 5 \mathbf { i } + \mathbf { j }$ and $\mathbf { w } = 9 \mathbf { i } + \mathbf { j }$, find $\| \mathbf { v } + \mathbf { w } \|$.
A) $6 \sqrt { 3 }$
B) $10 \sqrt { 2 }$
C) 4
D) $2 \sqrt { 74 }$

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The Answer of Solve the problem.
-If $\mathbf { v } = 5 \mathbf { i } + \mathbf { j }$ and $\mathbf { w } = 9 \mathbf { i } + \mathbf { j }$, find $\| \mathbf { v } + \mathbf { w } \|$.
A) $6 \sqrt { 3 }$
B) $10 \sqrt { 2 }$
C) 4
D) $2 \sqrt { 74 }$

Solve the Problem v=5i+j\mathbf { v } = 5 \mathbf { i } + \mathbf { j }v=5i+j

Solve the Problem $\mathbf { v } = 5 \mathbf { i } + \mathbf { j }$