Question: I need help with these two problems please, and please answer all parts and make it legible. fFind the derivative of the function at Po

I need help with these two problems please, and please answer all parts and make it legible.

$parts and make it legible. \fFind the derivative of the function at$

\fFind the derivative of the function at Po in the direction of A. f(x,y,z) = xy + yz+ zx, Po(-2,2,3), A=6i + 9j -2k (DAf) (-2,2,3) = (Simplify your answer.)

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