Solution of $x'(t)=x(x(t))$
17154
Does a non-trivial solution exist for $f'(x)=f(f(x))$?
82488
Periodic solution of differential equation $y′=f(y)$
12072
Analytic solution for $x=\ln(x+1)$
52620
Solve the pde $u_t(x,t)=u_{xx}(x,t)-bu(x,t)+q(t)$ for $u(x,t)$
12442
Solution of tanx = x?
75092
Initial value problem $x'=x^{2/3}$
131570
Solve differential equation, $x'=x^2-2t^{-2}$
132093
Solve $f(f(x))=f(x)$
62211
Partial Differential Equation $U_t - (U_x)^2 = 0$
82286
Derivation of asymptotic solution of $\tan(x) = x$.
69008
$f'(x) = [f(x)]^{2}$. Prove $f(x) = 0 $
72604
The differential equation $y''-q(x)y=0.$
82170
Solve $x = \frac{1}{2}\tan(x)$
14656
The differential equation $xu_{x}+yu_{y}=2u$ satisfying the initial condition $y=xg(x),u=f(x)$
13789
solve $T(n)=T(n-1)+T(\frac{n}{2})+n$
128764
How does $y[x] = a x^r$ when $y'[x] = \frac{(r y[x])}{x}$ and $y[1] = a$
79212
Find the general solution of $y'= a^{x + y}$ where y is the function