# phys

posted by
**Bun** on
.

1) Pf(x)= f(-x), p operator

Find the eigenvalues and eigenfunction of p

2)Show [f(xop), d/dx] = - df/dx

posted by
**Bun** on
.

1) Pf(x)= f(-x), p operator

Find the eigenvalues and eigenfunction of p

2)Show [f(xop), d/dx] = - df/dx