f(x,y,z)=zx+y (a) Find the gradient of f,∇f(x,y,z). (b) Find the directional derivative of f in the direction of the un
Posted: Thu Jul 14, 2022 4:27 pm
f(x,y,z)=zx+y (a) Find the gradient of f,∇f(x,y,z). (b) Find the directional derivative of f in the direction of the unit vector u=<21,21,0>