solving $\int\frac{2x^3}{x^2+1} \, dx$
12010
Integration by partial fractions; how and why does it work?
62055
Solve $\frac{d}{dx}f(x)=f(x-1)$
50471
Evaluate $\int\frac1{1+x^n}dx$ for $n\in\mathbb R$
83325
Integral of $\frac{\sqrt{x^2+1}}{x}$
63016
Integration of $\int\frac{1}{x^{4}+1}\mathrm dx$
26814
Solve $\int \frac{1}{\sin ^{\frac{1}{2}}x \cos^{\frac{7}{2}}x}dx$
57686
Finding $ \int^1_0 \frac{\ln(1+x)}{x}dx$
58909
Evaluation of $\int\frac{dx}{x+ \sqrt{x^2-x+1}}$
38515
Integral of $\frac{1}{x^4+1}$
38511
Evaluation of $\int\frac{1}{x^2.(x^4+1)^{\frac{3}{4}}}dx$
156215
Integral $\int\frac{2x^2}{2x\cos(2x)+(x^2-1)\sin(2x)} \mathrm d x$
64743
How do I evaluate the integral $\int \frac{1}{x^3 -1}dx$
41416
Integrating $ \int_2^4 \frac{ \sqrt{\ln(9-x)} }{ \sqrt{\ln(9-x)}+\sqrt{\ln(x+3)} } dx. $
145403
Stuck in integration: $\int {\frac{dx}{( 1+\sqrt {x})\sqrt{(x-{x}^2)}}}$
38005
Integral of $\sin (x^3)dx$
123694
How to compute the integral $\int_{0}^{\infty} \frac{x^{1/3}}{1+x^{2}} \ dx$
150809
Compute $ \int_0^1\frac{\ln^2(1+x)}{1+x^2}\, dx$