Question: Suppose f ( x , y , z ) = x y y z , P = ( 3 , 1 , 4 ) .

Suppose f(x,y,z)=xyyz,P=(3,1,4).
A. Find the gradient of f.
gradf=,i,j,k
Note: Your answers should be expressions of x,y and z; e.g."3x-4y"
B. What is the maximum rede of change of f at the point P?
Note: Your answer should be a number
Suppose f ( x , y , z ) = x y y z , P = ( 3 , 1 ,

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