en.wikipedia.org/wiki/Integration_by_substitution

In calculus, integration by substitution, also known as u-substitution, is a method for finding integrals. Using the fundamental theorem of calculus often requires ...

www.mathsisfun.com/calculus/integration-by-substitution.html

"Integration by Substitution" (also called "u-substitution") is a method to find an integral, but only when it can be set up in a special way. The first and most vital ...

tutorial.math.lamar.edu/Classes/CalcI/SubstitutionRuleIndefinite.aspx

What we've done in the work above is called the Substitution Rule. ... Since we can only integrate roots if there is just an x under the root a good first guess for ...

www.khanacademy.org/math/ap-calculus-ab/ab-antiderivatives-ftc/ab-u-substitution/v/u-substitution

Using u-substitution to find the anti-derivative of a function. ... Both stand for the variable you are integrating with respect to (du = integrate with respect to u, and ...

www.mathcentre.ac.uk/resources/workbooks/mathcentre/web-integrationbysub-tony.pdf

There are occasions when it is possible to perform an apparently difficult piece of integration by first making a substitution. This has the effect of changing the ...

www.math.hmc.edu/calculus/tutorials/substitution

Computing Integrals by Substitution ... Example. Let's compute 2x(x2−1)4dx by making the substitution .... Substitute back to, Change the limits of integration:.

revisionmaths.com/advanced-level-maths-revision/pure-maths/calculus/integration-substitution

Integration by substitution, it is possible to transform a difficult integral to an easier integral by using a substitution. For example, suppose we are integrating a ...