Consider the function f(x, y) = In(x² + y² + 1). 2 (a) Find Vf(1, 2). (b) Find Daf(1, 2) in the direction of i = 3i-j.

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A: Given vector function isrt=ln19t,t+8,17-tfind the domain.

Q: Please solve

A: Consider the function

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A: The answer provided below has been developed in a clear step by step manner.

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Q: Find r'(t), r''(t), r'(t) · r''(t)

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Q: Find the linearization of z = f(x,y) at P(-3, 2) when f(-3, 2) = 2 and f-(-3, 2) = 1, fy(-3, 2) =…

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Q: Consider the function f(x,y) = 3- a. Fill in the table with the values of the directional derivative…

A: Here to find the directional derivative at (a, b) of fin(x, y) the direction of unit vector u, v and…

Q: ) Find the directional derivative of the function f(x, y) = sin²(xy) at the point P (2,7) -2i+j √5…

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