Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![### Multiplying Rational Expressions
To multiply rational expressions, we use the rule for multiplying rational expressions by factoring the numerators and denominators to remove any common factors. Here’s a detailed example to demonstrate this process.
#### Example: Multiply
\[ \frac{25a^3}{11b} \cdot \frac{b}{5a} \]
To find the product, we use the following steps:
1. **Multiplying the Numerators and Denominators:**
\[ \frac{25a^3}{11b} \cdot \frac{b}{5a} = \frac{25a^3 \cdot b}{11b \cdot 5a} \]
2. **Factoring Common Factors:**
It is apparent that both the numerator and denominator have common factors such as 5, \(a\), and \(b\). Breaking them down:
\[ \frac{25a^3 \cdot b}{11b \cdot 5a} = \frac{5 \cdot 5 \cdot a \cdot a \cdot a \cdot b}{11 \cdot b \cdot 5 \cdot a} \]
3. **Simplifying the Expression:**
Next, we simplify by replacing common factors:
\[ \frac{5 \cdot 5 \cdot a \cdot a \cdot a \cdot b}{11 \cdot b \cdot 5 \cdot a} = \frac{1 \cdot 5 \cdot 1 \cdot a \cdot a \cdot 1}{11 \cdot 1 \cdot 1 \cdot a} \]
\[ 5 = \frac{5a^2}{11} \]
4. **Final Result:**
\[ \frac{5a^2}{11} \]
Thus, the simplified form of the product is:
\[ \frac{5a^2}{11} \]
### Practice Problem: Multiply
\[ \frac{x^{11}}{10y} \cdot \frac{15y}{11x^7} \]
Follow the same steps as above to simplify the expression.
---
### Explanation of the Provided Content:
- **Title and Introduction:**
The expression starts with explaining the goal and process of multiplying](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F758f6220-2c9c-498c-a499-60dbbe8461af%2Fd1ae3f29-8753-418e-846b-8dd1bd5a1087%2Fqyb3cz_processed.png&w=3840&q=75)
Transcribed Image Text:### Multiplying Rational Expressions
To multiply rational expressions, we use the rule for multiplying rational expressions by factoring the numerators and denominators to remove any common factors. Here’s a detailed example to demonstrate this process.
#### Example: Multiply
\[ \frac{25a^3}{11b} \cdot \frac{b}{5a} \]
To find the product, we use the following steps:
1. **Multiplying the Numerators and Denominators:**
\[ \frac{25a^3}{11b} \cdot \frac{b}{5a} = \frac{25a^3 \cdot b}{11b \cdot 5a} \]
2. **Factoring Common Factors:**
It is apparent that both the numerator and denominator have common factors such as 5, \(a\), and \(b\). Breaking them down:
\[ \frac{25a^3 \cdot b}{11b \cdot 5a} = \frac{5 \cdot 5 \cdot a \cdot a \cdot a \cdot b}{11 \cdot b \cdot 5 \cdot a} \]
3. **Simplifying the Expression:**
Next, we simplify by replacing common factors:
\[ \frac{5 \cdot 5 \cdot a \cdot a \cdot a \cdot b}{11 \cdot b \cdot 5 \cdot a} = \frac{1 \cdot 5 \cdot 1 \cdot a \cdot a \cdot 1}{11 \cdot 1 \cdot 1 \cdot a} \]
\[ 5 = \frac{5a^2}{11} \]
4. **Final Result:**
\[ \frac{5a^2}{11} \]
Thus, the simplified form of the product is:
\[ \frac{5a^2}{11} \]
### Practice Problem: Multiply
\[ \frac{x^{11}}{10y} \cdot \frac{15y}{11x^7} \]
Follow the same steps as above to simplify the expression.
---
### Explanation of the Provided Content:
- **Title and Introduction:**
The expression starts with explaining the goal and process of multiplying
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