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Eavluate the gradient vector at the given point.

a) f(x,y) = cos2(πxy) at (1,-1)

b) f(x,y,z) = xeyz at (2,1,0)

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Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
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ISBN: 9781133382119
Author: Swokowski
Publisher: Cengage
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