Math Problem Statement
Solution
The integral given is:
To solve this integral, we can use substitution. Let's proceed with the following steps:
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Substitute: Let . Then, the derivative , or .
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Rewrite in terms of : Since , we can solve for as follows: Therefore,
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Rewrite the integral in terms of : Substitute and : Simplifying, this becomes:
= \frac{1}{4} \int \left( \frac{u}{u^2} - \frac{1}{u^2} \right) du$$ $$= \frac{1}{4} \int \left( \frac{1}{u} - \frac{1}{u^2} \right) du$$ -
Integrate: Now, we can integrate each term separately:
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Substitute back :
So, the solution is:
Would you like further details or have any questions?
Here are five related questions for further exploration:
- How would this integral change if the denominator was instead of ?
- Can we solve this integral using integration by parts instead of substitution?
- How does the solution differ if we integrate ?
- What if we integrate for an arbitrary power ?
- How would we approach the integral if the numerator were a constant instead of ?
Tip: When faced with rational functions in integrals, substitution is often useful, especially when the denominator’s structure can be simplified by redefining variables.
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Math Problem Analysis
Mathematical Concepts
Calculus
Integration
Substitution Method
Formulas
Substitution: Let u = 2x - 3, then \( du/dx = 2 \), or \( dx = \frac{du}{2} \)
Integral of \( \frac{1}{u} \): \( \int \frac{1}{u} \, du = \ln |u| + C \)
Integral of \( \frac{1}{u^2} \): \( \int \frac{1}{u^2} \, du = -\frac{1}{u} + C \)
Theorems
Fundamental Theorem of Calculus
Suitable Grade Level
Undergraduate Calculus
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