Question: In Exercises 21 through 28, evaluate the partial derivatives f,(x, y) and fy(x, y) at the given point (Xo. yo). f(x, y) = x2 +

In Exercises 21 through 28, evaluate the partial derivatives f,(x, y)

and fy(x, y) at the given point (Xo. yo). f(x, y) =

In Exercises 21 through 28, evaluate the partial derivatives f,(x, y) and fy(x, y) at the given point (Xo. yo). f(x, y) = x2 + 3y at (1, -1) 22. If(x, y) = xy - 2(x + y) at (1, 0)

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