Give a parametric description of the form r(u,v,-(x(u,v),y(u,v),z(u,v)Γ£ΒΒ for the following surface. The portion of the cylinder xy -4 in the first octant, for oszs2 Select the correct choice below and fill in the answer boxes to complete your choice. (Type any angle measures in radians. Use angle measures greater than or equal to 0 and less than 2ΓΒ. Type exact answers in terms of ΓΒ.) r(u,v)s(2 sin u cos v,2 sinu sin v,2 cosu), forΓ’ΒΒ‘susΓΒ» and Γ’ΒΒ‘sv A. r(u,v) = Γ£ΒΒ2 sin u cos v,2 sin u sin v,2 cos uΓ£ΒΒ, for | O B. r(u,v)-(4 sin u cos v,4 sin u sin v,4 cos uΓ£ΒΒ , for 0c.r(u,v) = Γ£ΒΒ2 sin u,2 cos v,v) , for sus and OD.r(u,v) = Γ£ΒΒ2 cos u,2 sin u,v) , for sus and | su s us svs SVS @a, and vs and sv s