Solving an unsolvable integral ??
3978
How can you prove that a function has no closed form integral?
131424
which of the following is NOT a possible value of $(e^{f})''(0)$??
21857
Seeking methods to solve: $\int_0^\infty \frac{\ln(t)}{t^n + 1}\:dt$
46217
A nasty indefinite integral $ \int \frac{1}{x(x+1)(x+2)(x+3)(x+4) ... (x+m)} dx $
109385
Evaluating the integral $\int_{-\ln 2}^{\ln 2} e^{-x}(\sin x+x)^{1/3}dx$
140203
Find the value of $\int_{-\infty}^{\infty} \frac{e^{-x^2}}{1+x^2} dx$ .
31493
Complex integral help involving $\sin^{2n}(x)$
12432
Seemingly impossible double integral reduction
131120
Proving an integral equation.
130670
Solving Integrals
145403
Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
17679
Evaluate the integral $\int_0^{2a}\int_0^\sqrt{2ax-x^2}\frac{\phi'(y)(x^2+y^2)x dxdy}{\sqrt{4a^2x^2-(x^2+y^2)^2}}$
82206
Solving an equation involving an integral
81225
A problem about parametric integral
29076
Two different solutions to integral
144406
Integrating a difficult function (Numerically ?)
141516
Solve $\int_0^{+\infty} \Big(\frac{\sin t}{t}\Big)^2 \ dt$