Which of the following integrals can be best evaluated using integration by parts?

1 answer:

8 0

A) can be done using u-substitution .... Let u = x^2, du = 2x dx

C) can be done using trig identity ... cos(2x) = 1 - 2sin^2

B) can only be done using integration by parts. It is a product of 2 distinct functions and a u-sub does not simplify the integral.

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