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The process definitely works two ways. Viewers watch as the video shows how to use u-substitution to evaluate a definite integral. The presenter uses two different methods to evaluate the integral. One method substitutes the expression used in the substitution process back in after the integration, while the other method changes the limits of integration to account for the values of u.
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Instructional Ideas
- Lead a discussion on the advantages of both methods and let learners determine which makes the most sense to them
Classroom Considerations
- Assumes knowledge of u-substitution
- Requires pupils to evaluate rational exponents
- This video is hosted on YouTube
Pros
- Performs both methods side by side to show how they are equivalent
- Demonstrates each step including the arithmetic instead of assuming everyone is following skipped steps
Cons
- None