Question 1 Let f(x,y) = x/y. Find the gradient of f at the point (2,1). 1...

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Question 1 Let f(x,y) = x/y. Find the gradient of f at the point (2,1). 1 pts Question 2 1 pts Let f(x,y) = x/y. Find the directional derivative of f at the point (2,1) in the direction of the vector v = <3,4>. Question 3 1 pts Let f(x,y) = ycos(xy). Find the directional derivative of f at the point (2,1) in the direction given by the angle = /4. Question 1 Let f(x,y) = x/y. Find the gradient of f at the point (2,1). 1 pts Question 2 1 pts Let f(x,y) = x/y. Find the directional derivative of f at the point (2,1) in the direction of the vector v = <3,4>. Question 3 1 pts Let f(x,y) = ycos(xy). Find the directional derivative of f at the point (2,1) in the direction given by the angle = /4.