# Integrate [ dx / (e^x + e^-x) ] ?

• Integrate [ dx / (e^x + e^-x) ] ?

$$\int{\frac{e^x}{x}} \, dx = \frac{e^x}{x} + \int{\frac{e^x}{x^2}} \, dx$$ Integrate by parts again, $u = 1/x^2$, $v \, ' = e^x$, so that $u \, ... Read more Positive: 24 % Wolfram|Alpha is more than a search engine. It gives you access to the world's facts and data and calculates answers across a range of topics, including ... Read more Positive: 21 % ### More resources Let I = int e^(−x)⋅cos(2x)dx Using integration by parts int f(x)g(x)dx = f(x)intg(x)dx - int(d/dxf(x)intg(x)dx)dx I = cos(2x) int e^(−x)dx - int(d ... Read more Positive: 24 % Solving integral$\int x e^{-x^3}dx$... If it is meant to be either$\int x^2 e^{x^{3}}dx$or$\int x e^{x^{2}} dx\$ then these can be evaluated very simply.
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Harvey Mudd College Math Tutorial: Integration by Parts ... Integrate both sides to get f(x)g(x) = Z ... u= x dv= ex dx