Prove that is differentiable on R2 for all a f(x, y) = Itx2+y2) (x, y)(0.0) 0

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Prove that

is differentiable on R2 for all a

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An Introduction to Analysis

ISBN: 978-0132296380

4th edition

Authors: William R. Wade

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Question Posted: Mar 29, 2016 04:19 AM

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Prove that is differentiable on R2 for all a f(x, y) = Itx2+y2) (x, y)(0.0) 0

Question:

f(x, y) = Itx2+y2)" (x, y)关(0.0) 0

Step by Step Answer:

At any x y 0 0 f has continuous first partials hence is differentiable ...View the full answer

An Introduction to Analysis

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