Sketch the region of integration, reverse the order of integration, and evaluate the integral. 2√In 2 √In 2 S S 7² dxdy 0 y/2 Choose the correct graph below. A. 2√In 2 √In 2 S S Tex²0 B. dydx 2√In 2 Ó √In 2 What is an equivalent double integral with the order of integration reversed? O C. √√In 2 0 2√√In 2

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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### Double Integral and Region of Integration

**Problem Statement:**
Sketch the region of integration, reverse the order of integration, and evaluate the integral:
\[ \int_{0}^{2/\sqrt{\ln 2}} \int_{y/2}^{\sqrt{\ln 2}} 7e^{x^2} \, dx \, dy \]

---

**Graph Selection:**

Choose the correct graph below.

- **Option A:** Incorrect
- **Option B:** Correct (Selected)
- **Option C:** Incorrect

*Explanation of Graph (Correct Answer - B):*

The graph demonstrates the region of integration in the xy-plane. 

- The region is bounded by the line \( x = \frac{y}{2} \) and \( x = \sqrt{\ln 2} \).
- The vertical bounds are from \( y = 0 \) to \( y = 2/\sqrt{\ln 2} \).

---

**Equivalent Reversed Order Integral:**

What is an equivalent double integral with the order of integration reversed?
\[ \int_{\Box}^{\Box} \int_{\Box}^{\Box} 7e^{x^2} \, dy \, dx \]

Filling in the boxes for the reverse order of integration:
\[ \int_{0}^{\sqrt{\ln 2}} \int_{0}^{2x} 7e^{x^2} \, dy \, dx \]

\<Note: Use the correct integration limits based on the region's boundaries after reversing the order of integration\>

**Summary:**
1. The original integral is given as:
\[ \int_{0}^{2/\sqrt{\ln 2}} \int_{y/2}^{\sqrt{\ln 2}} 7e^{x^2} \, dx \, dy \]

2. The correct graph representing the region of integration is *Option B*.

3. The equivalent double integral with the order of integration reversed is:
\[ \int_{0}^{\sqrt{\ln 2}} \int_{0}^{2x} 7e^{x^2} \, dy \, dx \]
Transcribed Image Text:### Double Integral and Region of Integration **Problem Statement:** Sketch the region of integration, reverse the order of integration, and evaluate the integral: \[ \int_{0}^{2/\sqrt{\ln 2}} \int_{y/2}^{\sqrt{\ln 2}} 7e^{x^2} \, dx \, dy \] --- **Graph Selection:** Choose the correct graph below. - **Option A:** Incorrect - **Option B:** Correct (Selected) - **Option C:** Incorrect *Explanation of Graph (Correct Answer - B):* The graph demonstrates the region of integration in the xy-plane. - The region is bounded by the line \( x = \frac{y}{2} \) and \( x = \sqrt{\ln 2} \). - The vertical bounds are from \( y = 0 \) to \( y = 2/\sqrt{\ln 2} \). --- **Equivalent Reversed Order Integral:** What is an equivalent double integral with the order of integration reversed? \[ \int_{\Box}^{\Box} \int_{\Box}^{\Box} 7e^{x^2} \, dy \, dx \] Filling in the boxes for the reverse order of integration: \[ \int_{0}^{\sqrt{\ln 2}} \int_{0}^{2x} 7e^{x^2} \, dy \, dx \] \<Note: Use the correct integration limits based on the region's boundaries after reversing the order of integration\> **Summary:** 1. The original integral is given as: \[ \int_{0}^{2/\sqrt{\ln 2}} \int_{y/2}^{\sqrt{\ln 2}} 7e^{x^2} \, dx \, dy \] 2. The correct graph representing the region of integration is *Option B*. 3. The equivalent double integral with the order of integration reversed is: \[ \int_{0}^{\sqrt{\ln 2}} \int_{0}^{2x} 7e^{x^2} \, dy \, dx \]
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