## Indeterminate Forms and L'Hopital's Rule

Indeterminate Forms and L'Hopital's Rule
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Copyright 2005, Department of Mathematics, University of Houston. Created by Selwyn Hollis. Find more information on videos, resources, and lessons at http://online.math.uh.edu/HoustonACT/videocalculus/index.html.
Indeterminate forms 0/0, infinity/infinity, 0, infinity, 1^infinity, 0^0, infinity^0, and infinity - infinity. L'Hopital's Rule.
• What are indeterminate forms?
• What is L'Hopital's Rule?
• How do you use L'Hopital's Rule?
• When is a limit indeterminate?
• What is the limit as x approaches 0 of xlnx?
• What are the limit properties of lnx and e^x?
• What are exponential forms?
• How do you find the limit of x^1/x as x goes to infinity?
• What is the limit of x^x as x goes to 0?
This video is crucial to taking many limits in Calculus. Indeterminate forms are introduced and discussed. The forms are 0/0, infinity / infinity, and 0*infinity. L’Hopital’s rule is the method used to calculate the limit of these indeterminate forms. The limit properties of lnx and e^x are also shown. Exponential forms 1^infinity, 0^0, and infinity^0 are explained as well. Finally, the form infinity - infinity is discussed.
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Reviewed by MathVids Staff on December 20, 2008.  