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...