Commutator of the Hamiltonian with Position and Hamiltonian with Momentum

1. Jul 17, 2011

arsenalfan

To prove:

Commutator of the Hamiltonian with Position:
i have been trying to solve, but i am getting a factor of 2 in the denominator carried from p2/2m

Commutator of the Hamiltonian with Momentum:
i am not able to proceed at all...

Kindly help.. :(

2. Jul 17, 2011

vela

Staff Emeritus