1. The problem statement, all variables and given/known data I am trying to solve Problem 21 from this sheet: View attachment T2SS14-Ex7.pdf 2. Relevant equations The equation describing the time evolution of operators is given in the problem. 3. The attempt at a solution I have found the commutators of the position and momentum operator with the Hamiltonian. View attachment Übung 21_3.pdf I don't know how to do the rest of the exercise.