2 B-7 2 0o 09. ao 0 2 02n2o5 Derive the boundary condition ay n an OO Oy n an or Oxn a o an If Then anIf           ˆ 2 ˆ 2 ˆ 2 2 x y z = = 0 2 2 2 2 2 2 =   +   +                     =     =    y x y x y V y ˆ Derive the boundary ˆ condition: x y V y   =     ˆ           =   V y x 2 ˆ 1 2 ˆ = y x    If Then       =   V