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4. Determine whether or not the following pairs of operators commute. (McQuarrie 3-6) (a) +2 dx dx dx2 (b) d dx SQRT SQR (c)

4. Determine whether or not the following pairs of operators commute. (McQuarrie 3-6) (a) +2 dx dx dx2 (b) d dx SQRT SQR (c) (d) ax ay Showu thot

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