Question: Help with these please 3. [5 points] Find Vf at (-2,1, -1,2,1) for f (x, y, z, s, t) = (* +yz) arctant 22s 4.

Help with these please 3. [5 points] Find Vf at (-2,1,

Help with these please

3. [5 points] Find Vf at (-2,1, -1,2,1) for f (x, y, z, s, t) = (* +yz) arctant 22s 4. [5 points] Find the linearization of f (x, y, z) = ex + cos(y + z) at (0, ", ")

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