Use the Dot Product to Find the Magnitude of U $\mathbf { u } = 24 \mathbf { i } - 28 \mathbf { j }$

question 52

Multiple Choice

Use the dot product to find the magnitude of u.​ $\mathbf { u } = 24 \mathbf { i } - 28 \mathbf { j }$ ​

• A) \(4 \sqrt { 85 }\)
• B) \(\sqrt { 1358 }\)
• C) \(2 \sqrt { 339 }\)
• D) \(\sqrt { 1362 }\)
• E) \(2 \sqrt { 341 }\)

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