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Homework Statement
I want to show:
[tex] \langle x' - \triangle x' \vert \alpha \rangle = \langle x' \vert \alpha \rangle - \triangle x' \dfrac{\partial}{\partial x'}\langle x' \vert \alpha \rangle [/tex]
Homework Equations
[tex] \vert \alpha \rangle [/tex] is a state.
The Attempt at a Solution
i have no clue, can anyone give me a hint? Is the bra being splitted into two, or what?
This is a part of eq (1.7.15) in Sakurai mordern quantum mechanics, 2ed.
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