Question: For the function f(xly )= x2+4 xy- 2 at the point (2, 1) (a) (6 pts) Find the direction of maximum increase of f. (Your

For the function f(xly )= x2+4 xy- 2 at the point (2, 1) (a) (6 pts) Find the direction of maximum increase of f. (Your direction should be unit vector.) (b) (2 pts) What is the rate of increase of f in this direction? S W o'urseHero.com source (c) (2 pts) Find the direction of maximum decrease off. Apmis s via (d) (4 pts) Find the directions of NO change of f. re (e) (6 pts) Find the directional derivative (Dif )(2,1) where v=61,-1>. This study source was downloaded by 100000833656494 from CourseHero.com on 10-04-2021 14:02:32 GMT -05:00

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