Hey does anybody have an idea of how to prove that
\frac{d}{dt}\left\langle{XP}\right\rangle= 2\left\langle{T}\right\rangle-\left\langle{x\frac{dV}{dx}}\right\rangle for a hamiltonian of form
H=\frac{P^2}{2M}+V(x)
where X is the position operator, P is the momentum and T is the kinetic...