Difficult definite integral with a possibly real finite answer
109385
Evaluating the integral $\int_{-\ln 2}^{\ln 2} e^{-x}(\sin x+x)^{1/3}dx$
136305
Is it possible? improper integral no answer?
148914
Total Variation and indefinite integrals
98757
Solving an integral with substitution method
141926
A Challenging Logarithmic Integral $\int_0^1 \frac{\log(x)\log(1-x)\log^2(1+x)}{x}dx$
81863
Gaussian integral with imaginary coefficients and Wick rotation
100559
Gaussian integral with a shift in the complex plane
16406
Step-by-step definite integration
133851
How to arrive at $\int_{0}^{1} f^3(x) \, dx < (\int_{0}^{1} f(x) \, dx)^2$?
67830
Evalute the definite integral: $\int_{0}^{3} (x^2+1) d[x]$
81225
A problem about parametric integral
15625
Computing $\int_0^\infty\mathrm{d} x\frac{x}{e^x+1}$ with contour integration
120425
Bizarre Definite Integral
68287
Good book on evaluating difficult definite integrals (without elementary antiderivatives)?
3797
Approximate closed form of Integration involving a lot of terms
76115
Very difficult integral (for me)
105494
Gaussian-like integral : $\int_0^{\infty} e^{-x^2} \cos( a x) \ \mathrm{d}x$