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\int \frac{{xe}^{x}}{(x + 1)^{2}} dx =

কত?

\frac{e^{x}}{x + 1}

\frac{1 n x}{1 + x}

\frac{e^{x}}{x - 1}

\frac{1 n x}{1 - x}

ANS : 1

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