Inter secting the sehere xy4z²=4 with the plame z -L results in two surfaces. Male a rouphelon. Let s be the smallest of Lhe two surkaces (select the smallest in area without proof.). Calkedate the...

Extracted text: Inter secting the sehere xy4z²=4 with the plame z -L results in two surfaces. Male a rouphelon. Let s be the smallest of Lhe two surkaces (select the smallest in area without proof.). Calkedate the flow of the vector field f Gx,y.2) =-z,2", x) leaving the suxfaces(to outside the sphere).