How-can-i-evaluate-the-value-of-2-4-e-t-t-dt-

Question Number 150064 by n0y0n last updated on 09/Aug/21

How can i evaluate the value of

\int_{2}^{4} \frac{e^{t}}{t} dt = ?

Answered by Ar Brandon last updated on 09/Aug/21

\int_{2}^{4} \underset{n = 0}{\sum^{\infty}} \frac{t^{n - 1}}{n!} d t = \ln 2 + \sum_{n ⩾ 1} \frac{4^{n} - 2^{n}}{n (n!)} + C

Commented by n0y0n last updated on 09/Aug/21

English

Commented by puissant last updated on 09/Aug/21

l a s o m m e c o m m e n c e 1 \dots

Commented by Ar Brandon last updated on 09/Aug/21

Pour n = 0 on a \int_{2}^{4} \frac{1}{t} d t = \ln 2

Commented by puissant last updated on 09/Aug/21

o u i j^{'} a i v u . . E i n s t e i n . .