6. Find the unit vector for which the directional derivative Duf(x,y) of f(x,y) = %3D 3x2 + 4y2 at the point (-1,1) is minimized.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
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Chapter1: Functions And Models
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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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I’m not sure where to start with this one. Find the unit vector first? Then from there, find where that is minimized? Thanks!
3x'y². 4 6(35-t)(As+2€)'+ 12 (35-t)*(45s424)
22.-1+ 5g.2 →(2(33-6)(43+24)), し(3-6)"(4わ2)
2 xy
3 +
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.
Transcribed Image Text:3x'y². 4 6(35-t)(As+2€)'+ 12 (35-t)*(45s424) 22.-1+ 5g.2 →(2(33-6)(43+24)), し(3-6)"(4わ2) 2 xy 3 + 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.
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