1 = z =2 July 8, 2019 16 32 64 128 1 я 2 я 1 z 2 1 z 2 expansion 1 z 2 )= 5 1 z 2 integral 1 z 2 3 1 z 2 taylor series 1 z 2 4 1 z 2 0 1 z 2 y