If does exist? f(x, y) xy x + y 42

Question:

If   

f(x, y) xy x + y + 42

does 

lim f(x, y) (x,y)  (0,0)

exist?    

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Related Book For  book-img-for-question

Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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