Find the Length of the Curve $\mathbf { r } ( t ) = 8 t \mathbf { i } + 3 \cos t \mathbf { j } + 3 \sin t \mathbf { k }$

question 15

Multiple Choice

Find the length of the curve $\mathbf { r } ( t ) = 8 t \mathbf { i } + 3 \cos t \mathbf { j } + 3 \sin t \mathbf { k }$ $0 \leq t \leq 2 \pi$

• A) \(2 \sqrt { 73 }\) \(\pi\)
• B) \(\sqrt { 73 }\) \(\pi\)
• C) \(\sqrt { 11 }\) \(\pi\)
• D) \(2 \sqrt { 11 }\) \(\pi\)

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