How to compute $\int {\frac{1}{{4 - 9{x^2}}}dx} $?
12010
Integration by partial fractions; how and why does it work?
8289
Hints on calculating the integral $\int_0^1\frac{x^{19}-1}{\ln x}\,dx$
130935
Evaluating $\int_{0}^{1}\frac{x-1}{(x+1)\ln x} dx $
100401
Evaluate $\int \frac{1}{(x^2+1)^2}dx$
68504
Compute $\int_0^1 \frac{\arcsin(x)}{x}dx$
101587
Calculating $\int_{- \infty}^{\infty} \frac{\sin x \,dx}{x+i} $
50844
How to compute $\int_0^{+\infty} \frac{dt}{1+t^4} = \frac{\pi}{2\sqrt 2}.$
68639
given $I_{n}=\int^1_{0}x^n\sqrt{1-x^2}dx$, then finding value of $ \frac{I_{n}}{I_{n-2}}$
84765
Evaluating $\int_{-\infty}^{\infty}\frac{1}{(x^2+b^2)^2}dx$
77721
Is it possible to compute $\int_1^{+ \infty} \frac{dx}{x^2(1+e^x)}$?
9390
$ \int_1^2\int_1^2 \int_1^2 \int_1^2 \frac{x_1+x_2+x_3-x_4}{x_1+x_2+x_3+x_4}dx_1dx_2dx_3dx_4 $
47452
Calculus Question: $\int_0^1\frac{(x-x^2)^4}{1+x^2}dx$
93205
Compute: $\int_{0}^{1}\frac{x^4+1}{x^6+1} dx$
125069
Help with $\int \frac 1{\sqrt{a^2 - x^2}} \mathrm dx$
49074
Compute $\int\limits_{-\infty}^{\infty}\frac{1}{(1+x^2)^{n+1}}dx$ via residue calculus.
71611
Evaluating $\int\sqrt{\frac{1-x^2}{1+x^2}}\mathrm dx$
53519
Finding $\int_0^1{\frac{x^4(1-x)^4}{1+x^2}}dx$