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इंटीग्रेशन ऑफ एक्स डॉग एक्स
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Then we have,
\begin{align*} \int x \log x \, dx &= \int u \, dv \\ &= uv - \int v \, du \\ &= \frac{1}{2}x^2 \log |x| - \frac{1}{2} \int x \, dx \\ &= \frac{1}{2}x^2 \log |x| - \frac{1}{4} x^2 + C. \end{align*}
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