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Integral of e^(3/x) dx

Limits of integration:

from to
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The graph:

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Piecewise:

The solution

You have entered [src]
  1      
  /      
 |       
 |   3   
 |   -   
 |   x   
 |  E  dx
 |       
/        
0        
$$\int\limits_{0}^{1} e^{\frac{3}{x}}\, dx$$
Integral(E^(3/x), (x, 0, 1))
The answer (Indefinite) [src]
  /                          
 |                           
 |  3                       3
 |  -                       -
 |  x              /3\      x
 | E  dx = C - 3*Ei|-| + x*e 
 |                 \x/       
/                            
$$\int e^{\frac{3}{x}}\, dx = C + x e^{\frac{3}{x}} - 3 \operatorname{Ei}{\left(\frac{3}{x} \right)}$$
The answer [src]
oo - 3*Ei(3)
$$- 3 \operatorname{Ei}{\left(3 \right)} + \infty$$
=
=
oo - 3*Ei(3)
$$- 3 \operatorname{Ei}{\left(3 \right)} + \infty$$
oo - 3*Ei(3)
Numerical answer [src]
1.27425993707902e+13000936323519201979
1.27425993707902e+13000936323519201979

    Use the examples entering the upper and lower limits of integration.