Khan Academy Static

u-substitution is an extremely useful technique. Harnessing the power of the chain rule, it allows us to define a new variable (common denoted by the letter u) as a function of x, and obtain a new expression which is (hopefully) easier to integrate.

5264_u_substitution_example_3.html

5263_u_substitution_example_2.html

5266__2_ln_x_x_antiderivative_example.html

5269_Doing_u_substitution_twice.html

5262_u_substitution.html

5268_u_substitution_with_exponential_function.html

5267_u_substitution_and_back_substitution.html

5265_u_substitution_with_ln_x_.html