Determine whether the limit exists. If so, find its value lim
(x,y,z)→(2,−1,2)
xz2
x2 + y2 + z2
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Determine whether the limit exists. If so, find its value lim
(x,y,z)→(2,−1,2)
xz2
x2 + y2 + z2
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.