Question: (a) Find an expression for the commutator [X, Ya in terms of the two simpler eommutators [X,}'] and [X,Z]. [4 marks] (b) [35,103] 2 ME

(a) Find an expression for the commutator [X, Ya in terms

(a) Find an expression for the commutator [X, Ya in terms of the two simpler eommutators [X,}'] and [X,Z]. [4 marks] (b) [35,103] 2 ME yet [25,193.] 2 II}. Explain why? He concise. [2 marks]

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