Integration by Substitution Practice and Helpful Links

Practice Problems with step by step solutions:
http://archives.math.utk.edu/visual.calculus/4/substitutions.3/
http://archives.math.utk.edu/visual.calculus/4/substitutions.1/index.html


Practice Quiz:
http://archives.math.utk.edu/visual.calculus/4/integrals.2/index.html



Helpful Videos:
http://youtu.be/qclrs-1rpKI
http://youtu.be/CbUx0S8BCtA
http://www.youtube.com/watch?v=VJ9VRUDQyK8