Question: Replace alpha with 2 7. Replace a in this question with the last digit of your student number. Let f (x, y) = 2 +2

Replace alpha with 2

7. Replace a in this question with the last digit of your student number. Let f (x, y) = 2 +2 sin(xy) (a) Find the first order partial derivatives of f (make sure you show all appropriate working). (b) Find the directional derivative of f at the point with co-ordinates (1, 0) in the direction of the vector (-2, 5)

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