Determine the gradient of the function f(x,y)=x2+y2f(x,y) = \sqrt{x^2 + y^2}f(x,y)=x2+y2 at the point (3,4)(3, 4)(3,4).
⟨35,45⟩\langle \frac{3}{5}, \frac{4}{5} \rangle⟨53,54⟩
⟨3,4⟩\langle 3, 4 \rangle⟨3,4⟩
⟨13,14⟩\langle \frac{1}{3}, \frac{1}{4} \rangle⟨31,41⟩
⟨5,5⟩\langle 5, 5 \rangle⟨5,5⟩