Solve the equation $((x+y i)-\frac{1}{x+y i})/{(2 i)} = 2$
58442
Find all the values of $w$ ∈ C that satisfy the equation.
71796
Proving $\rm \frac i 2 \ln\frac {x+i}{x-i}=\arctan x$ .
14952
Prove: $\frac{x}{\sqrt{y}}+\frac{y}{\sqrt{x}}\geq \sqrt{x}+\sqrt{y}$
106609
Show that $e^{iy} = 1 + iy + \frac{\mu_1 y^2}{2}$ for all $y \in \mathbb{R}$ with $|\mu_1| \leq 1$
113386
Find all integer roots of: $x^2(y-1)+y^2(x-1)=1$
114270
How do I solve this equation?
18903
Finding solutions to equation of the form $1+x+x^{2} + \cdots + x^{m} = y^{n}$
27809
Find the function equation $f(x+f(y)+yf(x))=y+f(x)+xf(y)$
6830
Find $\int\frac1x\sqrt\frac{1-x}{1+x}\ dx$
23112
Solving an equation with rational expressions (step by step)
110847
solution of differential equation $\left(\frac{dy}{dx}\right)^2-x\frac{dy}{dx}+y=0$
139474
Solving system of Congruences with Two Variables (x and y)
93756
$1+\frac{1}{2} +\frac{1}{3} +...+\frac{1}{p-1} =\frac{a}{b}$
64448
Find a quadratic equation with root $x_1^2$ and $x_2^2$
98653
Easiest way to solve $y''+y=\frac{1}{\cos x}$
68990
Show that $\frac 1{1+x+y^{-1}}+\frac1{1+y+z^{-1}}+\frac1{1+z+x^{-1}}=1$ if $xyz=1$
145444
Solve $\dfrac{1}{1+\frac{1}{1+\ddots}}$