How to calculate $\int\frac{x}{ax+b}$ dx
72351
Applying integral substitution rule to $ \int \frac{mx+n}{ax+b} \mathrm{d}x$
89346
How do you integrate $\int \frac{1}{a + \cos x} dx$?
24832
Integrating $\frac{1}{\sqrt{ax^2+bx+c}}$ for $a<0$
120388
Evaluate $\int\frac{1}{1+x^6} \,dx$
76129
Evaluate $\int_0^\infty\frac{\sin(\varphi_1x)}x\frac{\sin\varphi_2x}x\cdots\frac{\sin\varphi_nx}x\frac{\sin(ax)}x\cos(a_1x)\cdots\cos(a_mx) \, dx$
120168
How to calculate $\int_{0}^{\pi/2}{\{\tan(x)\}dx}$
100194
Calculating $ \int _{0} ^{\infty} \frac{x^{3}}{e^{x}-1}\;dx$
120088
How do I calculate a double integral like $\iint_\mathbf{D}e^{\frac{x-y}{x+y}}dx\,dy$?
53438
I need assistance in integrating $ \frac{x \sin x}{1+(\cos x)^2}$
98787
Calculation of $\int \sqrt{\tan x+2}dx$
158760
How calculate the indefinite integral $\int\frac{1}{x^3+x+1}dx$
50471
Evaluate $\int\frac1{1+x^n}dx$ for $n\in\mathbb R$
120085
Compute $\int \frac{-3}{2x^2-x-1} dx$
122843
Finding $\int_0^\infty \frac{\cos(ax)-\cos(bx)}{x}dx$
112551
Demystify integration of $\int \frac{1}{x} \mathrm dx$
93759
Evaluate $\int_{0}^{\infty} \frac{e^{ax}-e^{bx}}{(1+e^{ax})(1+e^{bx})} dx$
115992
Integrating $\frac{\log(1+x)}{1+x^2}$