Find the Length of the Curve $\mathbf { r } ( t ) = 2 t \mathbf { i } + t ^ { 2 } \mathbf { j } + \ln t \mathbf { k } , 1 \leq t \leq e ^ { 3 }$

question 15

Multiple Choice

Find the length of the curve $\mathbf { r } ( t ) = 2 t \mathbf { i } + t ^ { 2 } \mathbf { j } + \ln t \mathbf { k } , 1 \leq t \leq e ^ { 3 }$ .

• A) \(e ^ { 6 }\)
• B) \(e ^ { 3 }\)
• C) \(e ^ { 6 } + 2\)
• D) \(e ^ { 3 } + 2\)

Recognize the importance of structured exercise in maintaining health and fitness levels.

Understand the concept of false beliefs and their recognition in children.

Learn the milestones in children's understanding of mental states in relation to emotions and behaviors.

Comprehend the role of nativists and evolutionary theorists in the context of cognitive abilities and their significance.

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