From: Molly Spier <maymolly@ureach.com>
To: Teacher2Teacher Public Discussion
Date: 2000101913:56:30
Subject: calculus

	
My students are taught to use substitution only when the integration
problem seems to be too complicated or to simplify problems which have
radicals.  I direct them to recognize the use of integration by parts
when there is a variable which will reduce to a constant after taking
the derivative of it one or more times orif there are functions whose
derivatives are of a cylic nature such as cosine, sine, or exponential
functions, then they are directed towards integration by parts.

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