log(log(x^4)) = log(log(x)) 

Husk at 4 flytter sig uden for log(x).


x^2-1 = (x-1)(x+1)

lim(to inf) f(x) over g(x) = {
	0		-> f is O(g)
	const	-> f(x) = THETA(g(x))
	INF		-> f is OMEGA(g)
}