Find the gradient of f(x,y)=sin(xy)+x2yf(x, y) = \sin(xy) + x^2 yf(x,y)=sin(xy)+x2y.
⟨ycos(xy)+2xy,xcos(xy)+x2⟩\langle y \cos(xy) + 2xy, x \cos(xy) + x^2 \rangle⟨ycos(xy)+2xy,xcos(xy)+x2⟩
⟨xcos(xy)+2xy,ycos(xy)+x2⟩\langle x \cos(xy) + 2xy, y \cos(xy) + x^2 \rangle⟨xcos(xy)+2xy,ycos(xy)+x2⟩
⟨cos(xy)+2xy,cos(xy)+x2⟩\langle \cos(xy) + 2xy, \cos(xy) + x^2 \rangle⟨cos(xy)+2xy,cos(xy)+x2⟩
⟨ycos(xy)+x2,xcos(xy)+2xy⟩\langle y \cos(xy) + x^2, x \cos(xy) + 2xy \rangle⟨ycos(xy)+x2,xcos(xy)+2xy⟩