$y' = \exp(-\frac{y}{x}) + \frac{y}{x}$
71465
solution of $y' = \exp \left(-\frac yx\right) + \frac yx$
58083
what can I say about the solution $y(x)$ of the ODE?
91023
Limit of $y$ if limit of $y+y'$ goes to $0$?
77133
$g'(x) = \frac{1}{x}$ for all $x > 0$ and $g(1) = 0$. Prove that $g(xy) = g(x) + g(y)$ for all $x, y > 0$.
36302
How to solve differential equations of the form $f'(x) = f(x + a)$
132108
How to solve differential equation $y=xy'+\frac12y'^2$
74100
How do you solve $f'(x) = f(f(x))$?
75452
Initial value problem with $t$ and $x'$
69007
Riccati differential equation $y'=x^2+y^2$
95145
Does $\exp(2ir\pi)$ equal $1$? What's wrong?
149344
Solve a differential equation and evaluate the solution at a particular value of independent variable
118091
Taylor expansion of $\exp(-x)$: proof tail is positive
71127
How do I find $f(0)$, $f'(0)$, and $f'(x)$ given $f(x+y)=f(x)+f(y)+x^2y+xy^2$ and $\lim_{x\to0}\frac{f(x)}{x}=1$?
62055
Solve $\frac{d}{dx}f(x)=f(x-1)$
149355
find $\left( \frac{x}{x+y} \right)^{2007} + \left( \frac{y}{x+y} \right)^{2007}$
9211
$\int\frac{dx}{x-3y}$ when $y(x-y)^2=x$?
27127
Calculating $\iint (x+y) \, dx \, dy$