Suppose I have a curve with derivative function r' (t) = (t + 1, t³, sin(t)). 2 (a) Calculate f² r' (t r' (t) dt. (b) Calculate S² || r' (t)|| dt. ||r' (c) What is the difference between the two answers. Explain what (a) me

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Hello I am having a difficult time solving these this problem and the three parts, can you show a full detail without missing any steps do a step by step doing this answer so I can understand how you did it 

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**Problem 2: Analysis of a Curve's Derivative**

Given the derivative function of a curve, \( \mathbf{r'}(t) = \langle t + 1, t^3, \sin(t) \rangle \):

(a) Calculate \( \int_{0}^{2} \mathbf{r'}(t) \, dt \).

(b) Calculate \( \int_{0}^{2} \| \mathbf{r'}(t) \| \, dt \).

(c) What is the difference between the two answers? Explain what (a) means versus (b).

---

**Explanation:**

*For part (a):*

To calculate \( \int_{0}^{2} \mathbf{r'}(t) \, dt \), you need to integrate the derivative function component-wise.

*For part (b):*

To calculate \( \int_{0}^{2} \| \mathbf{r'}(t) \| \, dt \), you need to find the magnitude of the derivative vector function first, then integrate that magnitude over the given interval.

*For part (c):*

The difference between the two results lies in their interpretations:
- Part (a) represents the total change in the vector function \( \mathbf{r}(t) \) over the interval [0, 2].
- Part (b) represents the total arc length of the curve described by \( \mathbf{r}(t) \) over the interval [0, 2].
Transcribed Image Text:**Problem 2: Analysis of a Curve's Derivative** Given the derivative function of a curve, \( \mathbf{r'}(t) = \langle t + 1, t^3, \sin(t) \rangle \): (a) Calculate \( \int_{0}^{2} \mathbf{r'}(t) \, dt \). (b) Calculate \( \int_{0}^{2} \| \mathbf{r'}(t) \| \, dt \). (c) What is the difference between the two answers? Explain what (a) means versus (b). --- **Explanation:** *For part (a):* To calculate \( \int_{0}^{2} \mathbf{r'}(t) \, dt \), you need to integrate the derivative function component-wise. *For part (b):* To calculate \( \int_{0}^{2} \| \mathbf{r'}(t) \| \, dt \), you need to find the magnitude of the derivative vector function first, then integrate that magnitude over the given interval. *For part (c):* The difference between the two results lies in their interpretations: - Part (a) represents the total change in the vector function \( \mathbf{r}(t) \) over the interval [0, 2]. - Part (b) represents the total arc length of the curve described by \( \mathbf{r}(t) \) over the interval [0, 2].
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