Here are the main points that will be addressed in the video. Please read these and think about them as you watch.

  • The ratio is approximated by the ratio of slopes, as we zoom in at .
  • L’Hopital’s rule can be used when a ratio has a limiting value of either 0/0 or
  • L’Hopital’s rule can be applied more than once if applying L’Hopital’s rule results in a limit which is again of the form 0/0 or
  • Sometimes limits can be rewritten to be of the form 0/0 or