3/ (x (ln (x+4) - ln (x))
as x goes to infinity.
so first i look at this i i thought its going to 0 cause x is gonna get larger at the bottom.
but then i see that the equation looks more like 3 / (x( ln ((x+1)/x))
ln ((x+1)/x) is going to 1. so that mean that ln 1= 0
3 / x(0) = infinty???