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Concept explainers
These exercises develop some versions of the substitution principle, a useful tool for the evaluation of limits.
(a) Suppose
(Here, “equality� is interpreted to mean that either both limits exist and are equal or that both limits fail to exist.)
(b) Why does the result in part (a) remain valid if
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Chapter 1 Solutions
Calculus: Early Transcendentals, Enhanced Etext
Additional Math Textbook Solutions
Precalculus Enhanced with Graphing Utilities (7th Edition)
Thomas' Calculus: Early Transcendentals (14th Edition)
University Calculus: Early Transcendentals (4th Edition)
Calculus 2012 Student Edition (by Finney/Demana/Waits/Kennedy)
Calculus: Early Transcendentals (2nd Edition)
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