Question: 4. Consider a function f(x,y)=x? y. What is the direction in which maximum change of the function takes place at the point (2,2)? Find

4. Consider a function f(x,y)=x? y. What is the direction in which

4. Consider a function f(x,y)=x? y. What is the direction in which maximum change of the function takes place at the point (2,2)? Find the derivative of f(x,y) in the direction of (1,2) at the point (3,2).

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