Can't find where I made a computation mistake with calculating $\int_{0}^{1} \frac{dx}{(x^2+1)^2}$
100401
Evaluate $\int \frac{1}{(x^2+1)^2}dx$
98838
How to evaluate $\int_0^1 \frac{\ln(x+1)}{x^2+1} dx$
34762
Why isn't $\int \frac{1}{x}~dx = \frac{x^0}{0}$?
115598
Evaluating $\int_{0}^{1} dx\frac{\log(1+x)}{1 + x^2}$
119725
How would one evaluate $\int\frac{x\sin(x)}{x^2+1}$ over the real line?
118701
Evaluate $\int_{0}^{\frac{\pi }{2}}\frac{x dx}{\sin x +\cos x}$
142619
Evaluating the complex integral $\int_{|z|=2}^{}\frac{1}{z^2+1}dz$
77721
Is it possible to compute $\int_1^{+ \infty} \frac{dx}{x^2(1+e^x)}$?
101587
Calculating $\int_{- \infty}^{\infty} \frac{\sin x \,dx}{x+i} $
122361
Evaluate $\int_0^1\left(\frac{1}{\ln x} + \frac{1}{1-x}\right)^2 \mathrm dx$
82311
Computing the primitive $\int\frac{1}{1+x^n} dx$
139784
Computing integration $\int_0^1\frac{\ln x}{1-x}d x$
157931
Contour integration of $\int \frac{dx} {(1+x^2)^{n+1}}$
117587
$\int_{0}^{1}\frac{\sin^{-1}\sqrt x}{x^2-x+1}dx$
132383
Evaluate the integral $\int_{-1}^1\frac{dx}{(e^x+1)(x^2+1)}$.
110922
What are different ways to compute $\int_{0}^{+\infty}\frac{\cos x}{a^2+x^2}dx$?
153867
Evaluate $ \int_{0}^{\frac{\pi}2}\frac1{(1+x^2)(1+\tan x)}\:\mathrm dx$