Question: Additional problems 1. Given f(x,y,z) = xy + yz +zx a) Find the unit normal at (1.1.0) b) Find the directional derivative in the direction

Additional problems 1. Given f(x,y,z) = xy + yz +zx a)

Find the unit normal at (1.1.0) b) Find the directional derivative in

Additional problems 1. Given f(x,y,z) = xy + yz +zx a) Find the unit normal at (1.1.0) b) Find the directional derivative in the direction u - 3j - 4k at (1,1,1)

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