I have
(D^2theta/ds^2)+((2/s)dtheta/ds)+((k^2)/s)theta=0
I am asked to make the subtitution x=2k*sqrt(s) in order to get the above in terms of theta and x.
How do i do this?
I'm assuming you mean,
edit- Mulligen, I think i violated some rules here...1 momento
I'm not entirely sure off the bat where to go with this. But let us try some manipulation.
Noting that
Going with
Sub this into our original equation to get
Now we sub in
To get
And since I had no idea where to begin, I have run out of manipulations that I can think of. Hopefully this will prompt some of your own!