What is the correct integral of $\frac{1}{x}$?
123802
Is the integral of $\frac{1}{x}$ equal to $\ln(x)$ or $\ln(|x|)$?
130935
Evaluating $\int_{0}^{1}\frac{x-1}{(x+1)\ln x} dx $
38515
Integral of $\frac{1}{x^4+1}$
8289
Hints on calculating the integral $\int_0^1\frac{x^{19}-1}{\ln x}\,dx$
84765
Evaluating $\int_{-\infty}^{\infty}\frac{1}{(x^2+b^2)^2}dx$
112551
Demystify integration of $\int \frac{1}{x} \mathrm dx$
46217
A nasty indefinite integral $ \int \frac{1}{x(x+1)(x+2)(x+3)(x+4) ... (x+m)} dx $
65982
Evaluate the improper integral $ \int_0^1 \frac{\ln(1+x)}{x}\,dx $
63016
Integration of $\int\frac{1}{x^{4}+1}\mathrm dx$
57686
Finding $ \int^1_0 \frac{\ln(1+x)}{x}dx$
70013
How to calculate $\int \frac{x^2 }{(x^2+1)^2} dx$?
123767
How to integrate $\int \frac{1}{\cos(x)}\,\mathrm dx$
83325
Integral of $\frac{\sqrt{x^2+1}}{x}$
38511
Evaluation of $\int\frac{1}{x^2.(x^4+1)^{\frac{3}{4}}}dx$
90095
Integrate $\int_0^{\infty } \frac{\cos x}{x} dx$
147977
Evaluate $\int_0^1\left(\frac{x-1}{x+1}\right)^n\frac{1}{\ln x} \,dx$
34762
Why isn't $\int \frac{1}{x}~dx = \frac{x^0}{0}$?