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ice109
#5
Dec30-07, 08:47 PM
P: 1,705
i'm referencing this post: http://www.physicsforums.com/showpos...16&postcount=5

where he doesn't mention limit for the integral of xcos(ax). is this technique the same thing as parametric differentiation to solve integrals?

like this http://www.youtube.com/watch?v=NOMSmS7K9Tw ?