What is the integral of xe^{-x/5} ?

The integral of xe^{-x/5} is -5e^{-x/5}x-25e^{-x/5}+C

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integral of xe^{-x/5}

\int x e^{- \frac{x}{5}} d x

- 5 e^{- \frac{x}{5}} x - 25 e^{- \frac{x}{5}} + C

Solution steps

\int x e^{- \frac{x}{5}} d x

Apply Integration By Parts

: - 5 e^{- \frac{x}{5}} x - \int - 5 e^{- \frac{x}{5}} d x

= - 5 e^{- \frac{x}{5}} x - \int - 5 e^{- \frac{x}{5}} d x

\int - 5 e^{- \frac{x}{5}} d x = 25 e^{- \frac{x}{5}}

= - 5 e^{- \frac{x}{5}} x - 25 e^{- \frac{x}{5}}

Add a constant to the solution

= - 5 e^{- \frac{x}{5}} x - 25 e^{- \frac{x}{5}} + C

(\frac{1}{x ^{2} + 1})^{^{'}}

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What is the integral of xe^{-x/5} ?
The integral of xe^{-x/5} is -5e^{-x/5}x-25e^{-x/5}+C