Question

Помогите найти интеграл

Answer 1

$\displaystyle\int e^{\displaystyle\frac{3}{x}}*\frac{dx}{x^2}=-\frac{1}{3}\int e^{\displaystyle\frac{3}{x}}d(\frac{3}{x})=-\frac{1}{3}e^{\displaystyle\frac{3}{x}}+C$