I don't know which of the factores to pick out as the "u" 1. integral of e ^x/2 2. integral of ln4xdx/x thanks!
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Originally Posted by littlesohi I don't know which of the factores to pick out as the "u" 1. integral of e ^x/2 2. integral of ln4xdx/x thanks! 1. $\displaystyle u = \frac{x}{2}$ 2. $\displaystyle u = \ln 4x $
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