Question: I need help with a b c and d please Let z= f(x,y) =12x4- 9xy + 16y . Find the following using the formal definition

I need help with a b c and d please Let

I need help with a b c and d please

z= f(x,y) =12x4- 9xy + 16y . Find the following using the

Let z= f(x,y) =12x4- 9xy + 16y . Find the following using the formal definition of the partial derivative. of a. b. C. (-2, -4) d. fy(-3, -2) ax ax

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