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## Homework Statement

Show that the (1 0 0) and (2 0 0) wave functions of hydrogen atom are properly normalized.

## Homework Equations

I know that (n l ml):

(100) = (2/a^(3/2)) exp^ (-r/a)

(200) = (1/((2a)^(3/2))*(2-r/a) exp^(-r/2a)

## The Attempt at a Solution

I started with H=-ke^2/r+p^2/2m and don't know how to convert the p operator into spherical coordinates