please-find-the-e-x-x-dx-

Question Number 123361 by aristarque last updated on 25/Nov/20

p l e a s e f i n d t h e \int \frac{e^{x}}{x} d x

Commented by Dwaipayan Shikari last updated on 25/Nov/20

E i (x) + C

O r

\int \frac{1}{x} + \frac{1}{1!} + \frac{x}{2!} + \frac{x^{2}}{3!} + \dots . d x = l o g x + \frac{x}{1.1!} + \frac{x^{2}}{2.2!} + \frac{x^{3}}{3.3!} + . . + C