Pre-U Pre-U 9794/1 2013 November — Question 9

Exam BoardPre-U
ModulePre-U 9794/1 (Pre-U Mathematics Paper 1)
Year2013
SessionNovember
TopicIntegration by Parts
TypeBasic integration by parts
DifficultyModerate -0.5 This is a straightforward single application of integration by parts with standard functions (polynomial times trigonometric). It requires only the basic formula with u=x, dv=sin(2x)dx, and careful handling of the chain rule when integrating sin(2x), making it slightly easier than average but not trivial.
Spec1.08i Integration by parts

9 Find \(\int x \sin 2 x \mathrm {~d} x\).

9 Find $\int x \sin 2 x \mathrm {~d} x$.

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