Mathematics, 07.03.2020 00:15 kennedy6010
Let f (x, y) = x3 + y3 x2 + y2 . (a) Show that |x3|≤|x|(x2 + y2), |y3|≤|y|(x2 + y2) (b) Show that |f (x, y)|≤|x|+|y|. (c) Use the Squeeze Theorem to prove that lim (x, y)→(0,0) f (x, y) = 0.
Answers: 3
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Let f (x, y) = x3 + y3 x2 + y2 . (a) Show that |x3|≤|x|(x2 + y2), |y3|≤|y|(x2 + y2) (b) Show that |f...
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