Zoom Lecture 27 | TTU MATH 1451-Calculus I with Applications, Spring 2021

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Title: Integration by substitution
Lecturer: Cezar Lupu, Texas Tech University

Description: In this lecture, we discuss about integration by substitution. Also, we show how to perform the change of variables for both indefinite and definite integrals. Many examples are provided as well.
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At 49:32 one could try x = e^u + 1. Then dx = e^u du, and the integral becomes 2*integral of 1/x dx which is trivial. Not any algebraic manipulation needed :)

andreivila