Let f(x, y) = y ln x - xe". (a) Find Dūf in the direction of the vector (2,3) at the point (e, 1). (b) Find an equation

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Let F X Y Y Ln X Xe A Find Duf In The Direction Of The Vector 2 3 At The Point E 1 B Find An Equation 1 (32.29 KiB) Viewed 57 times

Let f(x, y) = y ln x - xe". (a) Find Dūf in the direction of the vector (2,3) at the point (e, 1). (b) Find an equation of the tangent plane to the graph of f(x, y) at the point (e, 1, 1 — e²).