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You are standing above the point (5, 1) on the surface z = 10 - (2x + y). (a) In which direction should you

You are standing above the point (5, 1) on the surface z = 10 - (2x + y). (a) In which direction should you walk to descend fastest? (Give your answer as a unit 2-vector.) direction = (b) If you start to move in this direction, what is the slope of slope your path?

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