Calculating a non complex integral using complex theory
33155
Use residues to evaluate $\int_0^\infty \frac{\cosh(ax)}{\cosh(x)}\,\mathrm{d}x$, where $|a|<1$
135813
Soving a Complex Integral along a circle
79633
Calculating the integral $\int_{-\infty}^{\infty} x\sin(x)/(x^2+1)^2 dx$
113066
Calculate $\int_0^1f(x)dx$
38139
Solid volume using double integral
112868
calculate an integration by using residue theorem
111775
$\int_{-\infty}^{+\infty} e^{-x^2} dx$ with complex analysis
137054
How to work with complex numbers in C?
141711
Evaluate the following integral?
145183
finding $\int_0^\infty \dfrac{dx}{1+x^4}$ through complex analysis
62201
How to calculate this integral using FTC
68319
How can I evaluate $\int_{-\infty}^{\infty} e^{-x^2} dx$ without using polar coordinates
154067
Not sure how to go about solving this integral
35473
How to analyze the following complex number?
89601
Rusty at complex integrals, finding error in steps
57463
Evaluate the integral using the theory of residues: $\int_{-\infty}^{\infty} \frac{dx}{(x^2+1)^2(x^2+16)}$
152358
integration using residue