Question: Consider the following. f ( x , y ) = x y 3 - x 2 Find the partial derivatives. f x ( x ,

Consider the following.
f(x,y)=xy3-x2
Find the partial derivatives.
fx(x,y)=
fy(x,y)=
Find the directional derivative of f at the point (1,3) in the direction indicated by the angle =3.
D0(1,3)=
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Consider the following. f ( x , y ) = x y 3 - x 2

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