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\begin{center}
  \textbf{Math 126A\\
   Integration by Parts}
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1. 
\begin{math}
  \int \theta \cos(\pi \theta)\, d\theta
\end{math}

\answerspace

2. 
\begin{math}
  \int \sin^{-1}y\,dy
\end{math}

\answerspace
3. 
\begin{math}
  \int p^4 e^{-p}\,dp
\end{math}
 

\answerspace

4.  
\begin{math}
  \int _1^e x^3\ln x\,dx
\end{math}

\answerspace


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