Question 4 [2 points] Say carefully what you are doing at each stage and why L'Hopital's rule is permitted where you use it. Evaluate the limit log r lim Question 5 [2 points] Say carefully what you are doing at each stage and why L'Hopital's rule is permitted where you use it Evaluate the limit SIn T - I COS I lim Question 6 [3 points] Say carefully what you are doing at each stage and why L'Hopital's rule is permitted where you use it Evaluate the limit lim (1 + sin 6x) 1/(3z)