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Unformatted text preview: x = y = 0, and the limit of the given function is 0. Then suppose we approach along the line in the xzplane where x = z . Then y = 0, and the given function simplies to x 2 2 x 2 , which approaches 1 2 as x goes to 0. Since 0 6 = 1 2 , the limit does not exist. 1...
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 Spring '07
 Hutchings
 Math

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