Integration by Parts & Improper Integrals
http://archives.math.utk.edu/visual.calculus/4/int_by_parts.1/
http://tutorial.math.lamar.edu/Problems/CalcII/IntegrationByParts.aspx
http://www.mathcentre.ac.uk/resources/uploaded/mc-ty-parts-2009-1.pdf
https://www.mathsisfun.com/calculus/integration-by-parts.html
http://archives.math.utk.edu/visual.calculus/4/improper.1/
http://tutorial.math.lamar.edu/Problems/CalcII/ImproperIntegrals.aspx
http://www2.kenyon.edu/Depts/Math/Paquin/ImproperPracticeAnswers.pdf
(alternate – sections in Red/black book)