Find directional derivative at given point

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Reference no: EM131010643

f(x, y, z) = x³+ x²y²z² +z³

a) Find directional derivative at (1,1,1) along (1,0,1).

b) Find direction in which D_u f(x,y,z) is maximal.

c) What is the value of D_max f(x,y,z).

Reference no: EM131010643

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