dx (2x + 3)' -1 1/2

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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i circled the definite integral i need help with. thanks.
Sure, here's the transcription for an educational context:

---

**Integral Problem:**

Evaluate the definite integral:

\[
\int_{-1}^{\frac{1}{2}} \frac{x^2}{(2x + 3)^4} \, dx
\]

**Explanation:**

This integral represents the area under the curve of the function \(\frac{x^2}{(2x + 3)^4}\) from \(x = -1\) to \(x = \frac{1}{2}\). The integration involves techniques such as substitution, partial fractions, or integration by parts, depending on how you choose to simplify the expression.

**Approach:**

1. **Possible Substitution:**
   - Consider a substitution like \(u = 2x + 3\) to simplify the denominator.
   - Differentiate to find \(du\) in terms of \(dx\).

2. **Integration Technique:**
   - Simplify the integral using substitution.
   - Perform the integration after simplifying.

3. **Calculate the Limits:**
   - Substitute back to calculate the definite integral from \(x = -1\) to \(x = \frac{1}{2}\).

**Result:**

The final value of this integral should yield a numerical result which represents the exact area under the curve for the given function and limits.

--- 

This transcription breaks down the integral expression and explains how one might approach solving it.
Transcribed Image Text:Sure, here's the transcription for an educational context: --- **Integral Problem:** Evaluate the definite integral: \[ \int_{-1}^{\frac{1}{2}} \frac{x^2}{(2x + 3)^4} \, dx \] **Explanation:** This integral represents the area under the curve of the function \(\frac{x^2}{(2x + 3)^4}\) from \(x = -1\) to \(x = \frac{1}{2}\). The integration involves techniques such as substitution, partial fractions, or integration by parts, depending on how you choose to simplify the expression. **Approach:** 1. **Possible Substitution:** - Consider a substitution like \(u = 2x + 3\) to simplify the denominator. - Differentiate to find \(du\) in terms of \(dx\). 2. **Integration Technique:** - Simplify the integral using substitution. - Perform the integration after simplifying. 3. **Calculate the Limits:** - Substitute back to calculate the definite integral from \(x = -1\) to \(x = \frac{1}{2}\). **Result:** The final value of this integral should yield a numerical result which represents the exact area under the curve for the given function and limits. --- This transcription breaks down the integral expression and explains how one might approach solving it.
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