- #1

CalcYouLater

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## Homework Statement

Given operator [tex]\hat{A}=exp({b}\frac{d}{dx})[/tex] where b is a constant, show that:

[tex]\hat{A}\psi(x)=\psi(x+b)[/tex]

## Homework Equations

## The Attempt at a Solution

I have no idea with this one. If I understand correctly the operator, A, says take the derivative of (something) with respect to x, multiply the result by b, and then exponentiate it. A pointer would be much appreciated here.