Answer
$f_{xx}(x,y)=24x$
$f_{xy}(x,y)=-2y$
$f_{yx}(x,y)=-2y$
$f_{yy}(x,y)=-2x$
Work Step by Step
Given: $f(x,y)=4x^3-xy^2$
$f_{xx}(x,y)=24x$
$f_{xy}(x,y)=-2y$
$f_{yx}(x,y)=-2y$
$f_{yy}(x,y)=-2x$
Multivariable Calculus, 7th Edition
by Stewart, James
Published by
Brooks Cole
ISBN 10:
0-53849-787-4
ISBN 13:
978-0-53849-787-9
Chapter 14 - Partial Derivatives - Review - Exercises - Page 993: 19
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