Find Duf at P. ƒ(x, y, z) = 3x²y³z5; P(1, − 1, 2); 1 2 u = =i+ 2. -k 3

Q: Find Duf at P. 1 f(x, y) = 3(1 + xy) ³/²; P(5,3); u= NOTE: Enter the exact answer. Duf = i+ 1

A: To find the directional derivative of given function.

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A: Topic:- calculus and derivatives

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A: I am attaching image so that you understand each and every step.

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A: Quotient Rule of Differentiation : ddxuv=v.dudx-u.dvdxv2 .

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