I keep confusing myself on this problem. Should I plug (-1,1) into the fx fy and use the directional derivative formula? I could use a little explanation if possible. Thank you! f, 2xy". -I+ 3x'y'. 2 →(2(35-1)(45+ 24)+ L(3-4)"(43+24)6. Find the unit vector for which the directional derivative Duf(x,y) of f(x,y) =V3x2 + 4y2 at the point (-1,1) is minimized.-1/2ů =

Answered: Image /qna-images/answer/95e599f4-9360-4b23-9133-e5ae1d57e576.jpg

Answered: 2 xy". - I + 3x'y". 2 →(2(3-t)(45+24)'…

2 xy". - I + 3x'y". 2 →(2(3-t)(45+24)' ((33-t)"( 43+2€)² 6. Find the unit vector for which the directional derivative Duf(x,y) of f(x,y) = 3x2 + 4y2 at the point (-1,1) is minimized. %3D

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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Question

I keep confusing myself on this problem. Should I plug (-1,1) into the fx fy and use the directional derivative formula? I could use a little explanation if possible. Thank you!

f, 2xy". -I+ 3x'y'. 2 →(2(35-1)(45+ 24)+ L(3-4)"(43+24)
6. Find the unit vector for which the directional derivative Duf(x,y) of f(x,y) =
V3x2 + 4y2 at the point (-1,1) is minimized.
-1/2
ů =

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