# How do you integrate f(x)=2/(x+1) using the quotient rule?

$\int \frac{2}{x + 1} \mathrm{dx} = 2 \ln | x + 1 | + C$
$\int \frac{2}{x + 1} \mathrm{dx} = 2 \int \frac{d \left(x + 1\right)}{x + 1} = 2 \ln | x + 1 | + C$