Young's Inequality can be restated as:
s^(x)t^(1-x)<=xs + (1-x)t where s,t>=0 and 0<x<1.
Basically I've been asked to prove this. I've been fiddling about with it for a couple of hours
to no avail.
I've tried to substitute t=e^u and s=e^v and then use partial differentiation w.r.t to...