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Calculus 3 Limit 2 variable

  1. Nov 11, 2008 #1
    find the points of discontinuouty

    limit as x,y ---> (0,0) of function f(x,y) = 1-((cos(x^2+y^2)/(x^2+y^2))
     
  2. jcsd
  3. Nov 12, 2008 #2
    What have you tried so far? And are you sure that you don't have a typo in your function? As it is, it diverges as (x,y)->(0,0).
     
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