Heisenberg Uncertainty Principle Derivation

[stevenjones3.1]

I know I have seen this before a few time done a few different ways/starting points and I am always blown away when I see it worked out.

Don't know why but I love seeing this derivation. Does anyone want to post the derivation for all to see, it being done a few different ways would be great.

 

[Simon Bridge]

That would appear to defeat the purpose of these forums though.
Anyone wanting to see a derivation is free to google for one. i.e.
http://onlinelibrary.wiley.com/doi/10.1002/9781118148419.app1/pdf