How to solve $\dot x(t) = x(2t)$
99917
What function satisfies $F'(x) = F(2x)$?
109790
Finding the value of $\int_0^{\pi/2} \frac{dt}{1+(\tan(x))^{\sqrt{2}}}$
79071
Solve the recurrence $T(n) = 2T(n-1) + n$
52620
Solve the pde $u_t(x,t)=u_{xx}(x,t)-bu(x,t)+q(t)$ for $u(x,t)$
104319
Real solution of $(\cos x -\sin x)\cdot \bigg(2\tan x+\frac{1}{\cos x}\bigg)+2=0.$
38894
Solve $x=y\frac{dy}{dx}-\left(\frac{dy}{dx}\right)^{2}$
82170
Solve $x = \frac{1}{2}\tan(x)$
111611
When can we add a total time derivative of $f(q, \dot{q}, t)$ to a Lagrangian?
71092
What are the derivatives of position with respect to time
52973
The identity $(u\times v)\cdot(x\times y)=\begin{vmatrix}u\cdot x&v\cdot x\\ u\cdot y&v\cdot y\\\end{vmatrix}$
109561
Find $F'(x)$ if $F(x) = \displaystyle \int_{0}^x xf(t)dt$.
111789
Solving functional differential equation $f'(x)=2f(2x)-f(x)$
75092
Initial value problem $x'=x^{2/3}$
15025
Solve $xu_x+(x+y)u_y=1$ when $u(1,y)=y$
7376
Find $\det(A^{2}+A^{T})$ when eigenvalues are $1,2,3$
141516
Solve $\int_0^{+\infty} \Big(\frac{\sin t}{t}\Big)^2 \ dt$
20532
Are these solutions of $2 = x^{x^{x^{\:\cdot^{\:\cdot^{\:\cdot}}}}}$ correct?