Solving Easy Limits
How to Use Limits to Determine Continuity
How to Transform Limit Problems in Order to Use L'Hôpital's Rule

How to Change Unacceptable Forms before Using L'Hôpital’s Rule

You can use L'Hôpital’s rule to find a limit for which direct substitution doesn't work. If substitution produces one of the unacceptable forms, ± ∞ · 0 or ∞ – ∞, you first have to tweak the problem to get an acceptable form before using L’Hôpital’s rule.

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How to Use L'Hôpital's Rule to Solve Limit Problems
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