If I have a relation such as [tex][L_{j} , \vec{p}^2]=0[/tex] where j=x,y,z.(adsbygoogle = window.adsbygoogle || []).push({});

Can I re-write it as [tex][L_{j}, \vec{p} \vec{p}]=0[/tex] and then evaluate it as though it were an identity? e.g. [tex][A,BC]=[A,B]C+[B,A]C=...[/tex]

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# Commutation of Angular and Linear Momentum

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