I am self studying the Book- Introduction to Quantum Mechanics , 2e. Griffith. Page 47.(adsbygoogle = window.adsbygoogle || []).push({});

While the book has given a proof for eq. 2.64 but its not very ellaborate

Integral(infinity,-infinity) [f*(a±g(x)).dx] = Integral(infinity,-infinity) [(a±f)* g(x).dx] . It would be great help if somebody could provide me a more step by step proof of the same.

Where a+ and a- are roots of Hamiltonian of harmonic oscillator problem.

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# A Help with proof of eq. 2.64 of Intro. to Quantum Mechanics

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