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OP warned about not using the homework template

Okay, so I've been set this homework to find the normalisation constant, N, for the radial wave function in the 2s state for

we are given that the radial wavefunction in the 2s state for hydrogen is:

R

where N is the normalisation constant.

Im going to attach a picture of what i have done so far, as

a)I'm new to this and have no idea how to insert formulae

b)typing it out in this way would be confusing for people...i think.

So I get to here, where I've squared out the wavefunction in order to normalise it to equal 1; and as I am integrating w.r.t. r; I need to keep those into the equation.

the problem i am having is taking out the constants a

so i tried taking it apart but i think this is incorrect.

can anyone give any advice? thank you :)

**hydrogen**(my title was too long to fit that vital information in). thing is; I'm having a bloody hard time and in the process confusing myself with trying to take out all constants from the integral after normalising the radial wavefunction.we are given that the radial wavefunction in the 2s state for hydrogen is:

R

_{20}(r) = N (1−r/2a_{0}) e^{-r/a0}where N is the normalisation constant.

Im going to attach a picture of what i have done so far, as

a)I'm new to this and have no idea how to insert formulae

b)typing it out in this way would be confusing for people...i think.

So I get to here, where I've squared out the wavefunction in order to normalise it to equal 1; and as I am integrating w.r.t. r; I need to keep those into the equation.

the problem i am having is taking out the constants a

_{0}and a_{0}^{2}so i tried taking it apart but i think this is incorrect.

can anyone give any advice? thank you :)

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