Question: Given the scalar function f ( x , y , z ) = e x y + z . ( a ) Find gradf at

Given the scalar function f(x,y,z)=exy+z.
(a) Find gradf at the point R(2,3,-4).
(b) Find the directional derivative of a particle at R in the direction of the vector v=2,3,-4>.
Given the scalar function f ( x , y , z ) = e x y

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