$\int e^x \frac{(x-1)(x-\log x)}{x^2} d x$ is equal to |
$e^x\left(\frac{x-\ln x}{x}\right)+C$ $e^x\left(\frac{x-\ln x+1}{x}\right)+C$ $e^x\left(\frac{x-\ln x}{x^2}\right)+C$ $e^x\left(\frac{x-\ln x-1}{x}\right)+C$ |
$e^x\left(\frac{x-\ln x-1}{x}\right)+C$ |
Let $I=\int e^x \frac{(x-1)(x-\log x)}{x^2} d x$. Then, $I=\int e^x\left(\frac{\left.x^2-x+\log x-x \log x\right.}{x^2}\right) d x$ $\Rightarrow I =\int e^x\left(\frac{x-\log x-1}{x}+\frac{\log x}{x^2}\right) d x$ $\Rightarrow I=e^x\left(\frac{x-\log x-1)}{x}\right)+C$ |