Homework Statement
How do you get from (3.171) to (3.172)? In particular, why is
##\int e^{-ip.r/{\hbar}}\frac{p_{op}^2}{2m}\Psi(r,t)\,dr=\int\frac{p_{op}^2}{2m}[e^{-ip.r/{\hbar}}\Psi(r,t)]\,dr##? ##\,\,\,\,\,##-- (1)
Homework Equations
The Attempt at a Solution
For (1) to be true, it...