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If z = 3x² + 2xy = 2y², x = 4u + v, and y = u5v, find the value of dz du (A) 34x-20y (B) 26x + 4y 30x + 6y Let=arsin 14x - 14y Find the directional derivative of f(x,y) = 2x² - 4xy + y² in the direction of u = (cos)i + (sin)] Dy(x) = ● Dj (²8) = ⒸDjix) = Df(x) - 4(x + y) 5 4(x + y) 4(y - x) 5 =- 4(x - y) 5

If z = 3x² + 2xy = 2y², x = 4u + v, and y = u5v, find the value of dz du (A) 34x-20y (B) 26x + 4y 30x + 6y Let=arsin 14x - 14y Find the directional derivative of f(x,y) = 2x² - 4xy + y² in the direction of u = (cos)i + (sin)] Dy(x) = ● Dj (²8) = ⒸDjix) = Df(x) - 4(x + y) 5 4(x + y) 4(y - x) 5 =- 4(x - y) 5

Calculus: Early Transcendentals
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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If z = 3x² + 2xy = 2y², x = 4u + v, and y = u5v, find the value of dz du (A) 34x-20y (B) 26x + 4y 30x + 6y Let=arsin 14x - 14y Find the directional derivative of f(x,y) = 2x² - 4xy + y² in the direction of u = (cos)i + (sin)] Dy(x) = ● Dj (²8) = ⒸDjix) = Df(x) - 4(x + y) 5 4(x + y) 4(y - x) 5 =- 4(x - y) 5
Transcribed Image Text:If z = 3x² + 2xy = 2y², x = 4u + v, and y = u5v, find the value of dz du (A) 34x-20y (B) 26x + 4y 30x + 6y Let=arsin 14x - 14y Find the directional derivative of f(x,y) = 2x² - 4xy + y² in the direction of u = (cos)i + (sin)] Dy(x) = ● Dj (²8) = ⒸDjix) = Df(x) - 4(x + y) 5 4(x + y) 4(y - x) 5 =- 4(x - y) 5
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