The non-zero commutator brackets are: A. B. C. D. Leave a Comment / Electromagnetism / By Dr. Randhir Singh The correct choices are A, C and D Watch the following video for full solution:
![[\hat{x},\hat{p}_x]](https://physicshut.com/wp-content/ql-cache/quicklatex.com-56d7cd57850f5fd05c96961a3f53d897_l3.png "Rendered by QuickLaTeX.com")
B. ![[\hat{x},\hat{p}_y]](https://physicshut.com/wp-content/ql-cache/quicklatex.com-3c7403d9e292a5edcf0bc2e36c39d560_l3.png "Rendered by QuickLaTeX.com")
C. ![[\hat{x}^2,\hat{p}_x]](https://physicshut.com/wp-content/ql-cache/quicklatex.com-57f4df34e0152d7b8e87200a38a7123b_l3.png "Rendered by QuickLaTeX.com")
D. ![[\hat{x},\hat{p}^2_x]](https://physicshut.com/wp-content/ql-cache/quicklatex.com-aa85bd665003b4b74c49bbad7ee66381_l3.png "Rendered by QuickLaTeX.com")