Question

Hey guys I don't remember how to do limits. Please help! Here's my question.
limit x-> postivie infiniti of (x-1/2x)/(2x+1/6x)

Answer 1

use L-hospital (sometimes called L-hopital) rule.

Answer 2

1.5

Answer 3

Thanks :)

Answer 4

before you use L-h rule - need to have infinity/infinity or o/o...
simplify:
lim (x*2x - 1) *6x/(2x*(12x^2+1) = 3lim (2x^2-1)/(12x^2+1) = ...
now take a derivatives....