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    Hermitian Conjugates of x, i, d/dx, and a+

    Prove X = XT Proof: 1) <x'|X|x> = xDirac'sDelta(x' - x) 2) Take conjugate <x|XT|x'> = x*Dirac'sDelta(x - x') = xDirac'sDelta(x' - x) 3) the right-hand sides are iqual, so so, X = XT
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