Evaluate the flux of F⃗=⟨x,y,z⟩\vec{F} = \langle x, y, z \rangleF=⟨x,y,z⟩ through the sphere of radius aaa oriented outwards.
4πa24\pi a^24πa2
4πa34\pi a^34πa3
43πa3\frac{4}{3}\pi a^334πa3
2πa32\pi a^32πa3