Find the Magnitude of V $\mathbf { v } = 5 \mathbf { i } - 4 \mathbf { j } - 8 \mathbf { k }$

question 234

Multiple Choice

Find the magnitude of v. $\mathbf { v } = 5 \mathbf { i } - 4 \mathbf { j } - 8 \mathbf { k }$

• A) \(\| v \| =\) \(5 \sqrt { 2 }\)
• B) \(\| v \| =\) \(\sqrt { 89 }\)
• C) \(\| v \| =\) \(\sqrt { 41 }\)
• D) \(\| v \| =\) \(\sqrt { 2.72 }\)
• E) \(\| v \| =\) \(\sqrt { 105 }\)

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