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A Class of Multivariable Limits

by Yingfan Liu (Nanjing University of P & T, China ) and Youguo Wang (Nanjing University of P & T, China )

This article originally appeared in:
College Mathematics Journal
March, 2010

Subject classification(s): Calculus | Several Variable Calculus | Limits
Applicable Course(s): 3.3 Mainstream Calculus III, IV

The authors prove a necessary and sufficient condition for the existence of the limits of a class of multivariable rational functions commonly seen in textbooks.

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