Question: Question 1. Let f(x, y) = e + 2xy +x y. Find the following: (a) Vf(x, y) (I '0)fA (9) (c) Duf(xo, yo) where (co,

Question 1. Let f(x, y) = e" + 2xy +x y. Find the following: (a) Vf(x, y) (I '0)fA (9) (c) Duf(xo, yo) where (co, yo) = (0, 1) and u = H (3, 1) V10 (d) |Vf(0, 1)| (e) Dy f(xo, yo ) where (co, yo ) = (0, 1) and v = (1, 0)

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