Question: Angular momentum matrices satisfy a commutation relation Show that the trace of each angular momentum matrix vanishes. [M, Mk] = iM, j, k, l cyclic.

Angular momentum matrices satisfy a commutation relation

[M, Mk] = iM, j, k, l cyclic.

Show that the trace of each angular momentum matrix vanishes.

[M, Mk] = iM, j, k, l cyclic.

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