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Learn how to evaluate limits analytically using properties and techniques such as dividing out and rationalizing. Understand basic limits and properties including scalar multiples, sums, products, quotients, powers, and composite functions. Practice with examples and exercises to master limit evaluation in calculus.
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Objectives • Evaluate a limit using properties of limits. • Develop and use a strategy for finding limits. • Evaluate a limit using dividing out and rationalizing techniques.
Basic Limits • Sometimes you can directly substitute.
Properties of Limits If • Scalar multiple:
Properties of Limits (continued) If • Sum/difference:
Properties of Limits (continued) If • Product:
Properties of Limits (continued) If • Quotient:
Properties of Limits (continued) If • Power:
Another Method • Some limits can’t be solved by direct substitution. When you substitute, you get 0/0.
Example Learn how to factor a cube!
Homework 1.3 (page 65) #1-61 odd