Posted by **Ken** on Friday, May 11, 2012 at 7:11pm.

which of the following integrals results from making the substitution u=x^3 in orer to find (squiggly vertical line)x^2cos(x^3)dx

~cos u du

~u^2 cos u du

~u^(2/3) cos u du1/3 os u du

~3 cos u du

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