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Notes for Math 220, Calculus 2

Section 1.6 Integrals Involving Exponential and Logarithmic Functions — Summary

References.

This section of the OpenStax text just introduces a couple useful new indefinite integrals, and then gives some example and practicee of using them in combination with substitutions; these notes just provide a brief study guide to that.
The main new integrals here are:
\begin{align*} \int e^x\; dx \amp= e^x + C\\ \int a^x\; dx \amp= \frac{1}{\ln a}a^x + C, \text{ and}\\ \int \ln x\; dx \amp= x \ln (x) - x + C = (x-1) \ln x \end{align*}
along with
\begin{equation*} \int \frac{1}{x}\; dx = \ln |x| + C \end{equation*}
already seen.

Study Guide.

  • Examples 37, 38, 39, 41, 44, 45, 47, 48
  • the Checkpoints that immediately follow each of those Examples
  • and a few Exercises from each of the ranges 320–325, 328–339, and 355–357.
openstax.org/books/calculus-volume-1/pages/5-6-integrals-involving-exponential-and-logarithmic-functions
openstax.org/books/calculus-volume-1/pages/5-6-integrals-involving-exponential-and-logarithmic-functions