Integration Techniques

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Integration by Substitution

Video

This video from Khan Academy works through an example of integration by substitution, and discusses how to recognise when to use it, and how to choose an appropriate $u$.

Note: All Khan Academy content is available for free at www.khanacademy.org.

This video from Khan Academy gives an example of computing definite integrals that require substitution. It covers two different methods of evaluating the integral at the limits.

Note: All Khan Academy content is available for free at www.khanacademy.org.

This video from Khan Academy discusses an example of integration by substitution where the differential factor $du$ does not exactly equal the remainder of the integrand after $u$ has been chosen.

Note: All Khan Academy content is available for free at www.khanacademy.org.

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The preparation of this resources section has been funded by the National Forum for the Enhancement of Teaching and Learning in Higher Education, Ireland.

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