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Multivariable & Vectormedium
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Find the directional derivative of f(x,y)=x2+y2f(x, y) = x^2 + y^2f(x,y)=x2+y2 at the point (1,0)(1, 0)(1,0) in the direction of the vector u=⟨3,4⟩\mathbf{u} = \langle 3, 4 \rangleu=⟨3,4⟩.