(See Steps) Find the directional derivative at the point P and direction v f(x,y)=x^3-y^3, P(4,3),
Question: Find the directional derivative at the point P and direction v
\[f\left( x,y \right)={{x}^{3}}-{{y}^{3}},\,\,P\left( 4,3 \right),\,\,\,v=\frac{\sqrt{2}}{2}\left( \mathbf{i}+\mathbf{j} \right)\]
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(Solution Library) Find the directional derivative at the point P and
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