Commutation Problem

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Revision as of 20:55, 5 December 2009 by ChorChan (talk | contribs) (New page: Let <math> f(x) \!</math> be a differentiable function, using <math>[x,p_{x}]=i\hbar</math>, prove: (a) <math>[x,p^{2}_{x}f(x) ]=2i\hbar p_{x} f(x)</math> (b) <math>[x,p_{x}f(x)p_{x}]=i...)
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Let be a differentiable function, using , prove:

(a)

(b)

(c)

(d)


sol:

(a)


(b)