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  1. C

    Sakurai Modern Quantum Mechanics (Second Edition) Eq. 1.7.15

    Thank you for your reply, it has helped me understand manipulation of bra-kets.
  2. C

    Sakurai Modern Quantum Mechanics (Second Edition) Eq. 1.7.15

    Homework Statement Reading Sakurai I cannot see how he gets to the end of 1.7.15 as below: Homework Equations ∫dx'|x'><x'-dx' |α> = ∫dx'|x'>{<x' |α>-Δx'∂/∂x'<x' |α>} The Attempt at a Solution I tried a Taylor expansion but cannot see how this is derived.
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