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5. Let (ryz)" 1+y a) Compute the directional derivate of f(ay) at the point (1.1,-1) in the direction from the point (0. - 1,- 1) to the point (2,3, - 2). b) Which values can the directional derivate of f(ir.y.z) have at the point (1,1, - 1)

5. Let (ryz)" 1+y a) Compute the directional derivate of f(ay) at the point (1.1,-1) in the direction from the point (0. - 1,- 1) to the point (2,3, - 2). b) Which values can the directional derivate of f(ir.y.z) have at the point (1,1, - 1)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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5. Let (ryz)" S(a) - a) Compute the directional derivate of f(ay2) at the point (1.1,-1) in the direction from the point (0. – 1, - 1) to the point (2,3, - 2). b) Which values can the directional derivate of f(r.) have at the point (1,1, - 1) =) In what directions at the point (1.1, - 1) does the funetion f (,y,=) decrease at ol its minimal cate at that point?
Transcribed Image Text:5. Let (ryz)" S(a) - a) Compute the directional derivate of f(ay2) at the point (1.1,-1) in the direction from the point (0. – 1, - 1) to the point (2,3, - 2). b) Which values can the directional derivate of f(r.) have at the point (1,1, - 1) =) In what directions at the point (1.1, - 1) does the funetion f (,y,=) decrease at ol its minimal cate at that point?
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