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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 39RE

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4. Find the directional derivative of f (x, y, z) = e* cos(yz) the point (1,-2.0)
in the direction of the vector A = 2î + 2î – k ?
5. Find the directional derivative of f (x, y, z) = e*y cos(xyz) the point (1,-
2.0) in the direction of the vector A = 2î + 2j – k ?
6. Find f, fax. fy. fw. f. fx of the function f(x, y) = x²y + cosy + y?sinx
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