This video tutorial on calculus provides a basic introduction to u-substitution. It explains how to integrate using u-substitution. You need to determine which part of the function should be set equal to the variable u and you need to find the derivative of u to get du and solve for dx. After replacing all x variables with u variables, find the primitive of f(u) and replace u with x variables in the new function. This video contains numerous examples and practice problems for finding the indefinite integral using u-substitution. Examples include polynomial functions, trigonometric functions, exponential functions, square root functions, and rational functions.

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Full 1 hour and 14 minutes video:
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