Use substitution to convert the integral to the integral of rational functions. Then use partial fractions to evaluate the integral. 2+e¯ O In (1 + 2e*) + C O In (1 + 2e*) + C Oin (2 +e) + C Oin (1 + 2e-*) +C
Use substitution to convert the integral to the integral of rational functions. Then use partial fractions to evaluate the integral. 2+e¯ O In (1 + 2e*) + C O In (1 + 2e*) + C Oin (2 +e) + C Oin (1 + 2e-*) +C
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Riemann Sum
Riemann Sums is a special type of approximation of the area under a curve by dividing it into multiple simple shapes like rectangles or trapezoids and is used in integrals when finite sums are involved. Figuring out the area of a curve is complex hence this method makes it simple. Usually, we take the help of different integration methods for this purpose. This is one of the major parts of integral calculus.
Riemann Integral
Bernhard Riemann's integral was the first systematic description of the integral of a function on an interval in the branch of mathematics known as real analysis.
Question
![## Solving Integrals Using Substitution and Partial Fractions
**Problem Statement:**
Use substitution to convert the integral to the integral of rational functions. Then use partial fractions to evaluate the integral.
\[ \int \frac{1}{2 + e^{-x}} dx \]
### Choices:
1. \( \ln(1 + 2e^x) + C \)
2. \( \frac{1}{2}\ln(1 + 2e^x) + C \)
3. \( \frac{1}{2}\ln(2 + e^{-x}) + C \)
4. \( \frac{1}{2}\ln(1 + 2e^{-x}) + C \)
### Solution Steps:
1. **Substitution**: In this type of problem, you typically try to simplify the integrand by choosing an appropriate substitution.
2. **Partial Fractions**: Once the integrand is a rational function, you can decompose it into simpler fractions which can be integrated individually.
By following these steps, you can determine which of the four options is correct. Understanding the process of substitution and partial fractions is essential for solving integrals of this nature.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F30c07f2b-13db-4887-9bcb-8633a00a882e%2Fa4ffd4ca-f043-4d35-8713-3ebdaaf50cb8%2Fzloevcr_processed.png&w=3840&q=75)
Transcribed Image Text:## Solving Integrals Using Substitution and Partial Fractions
**Problem Statement:**
Use substitution to convert the integral to the integral of rational functions. Then use partial fractions to evaluate the integral.
\[ \int \frac{1}{2 + e^{-x}} dx \]
### Choices:
1. \( \ln(1 + 2e^x) + C \)
2. \( \frac{1}{2}\ln(1 + 2e^x) + C \)
3. \( \frac{1}{2}\ln(2 + e^{-x}) + C \)
4. \( \frac{1}{2}\ln(1 + 2e^{-x}) + C \)
### Solution Steps:
1. **Substitution**: In this type of problem, you typically try to simplify the integrand by choosing an appropriate substitution.
2. **Partial Fractions**: Once the integrand is a rational function, you can decompose it into simpler fractions which can be integrated individually.
By following these steps, you can determine which of the four options is correct. Understanding the process of substitution and partial fractions is essential for solving integrals of this nature.
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