Determine Duf (3,-10) for F(X, Y, Z) = 4x - y² ³ 2 3x2 of ✓² = (-1₁4, 2) in the direction

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Determine Duf (3₁-10) for F(X₁Y₁Z) = 4x - y² ³x2 in the direction
of ✓² = (-1₁4, 2)
Transcribed Image Text:Determine Duf (3₁-10) for F(X₁Y₁Z) = 4x - y² ³x2 in the direction of ✓² = (-1₁4, 2)
Expert Solution
Step 1: Define problem.

Given function f left parenthesis x comma y comma z right parenthesis equals 4 x minus y squared e to the power of 3 x z end exponent

have to find the directional derivative in the direction of vector v with rightwards arrow on top equals open parentheses negative 1 comma space 4 comma space 2 close parentheses.

As we know -

Directional space derivative equals Grad f cross times u n i t space v e c t o r

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