1 2 z 5 )= 1 6 z 7 July 8, 2019 16 32 64 128 Z-1 = z+1 1/2 * z - 7 = 1 - 1/6 * z 3) 1/2 * z - 7 = 1 - 1/6 * z Z^5 = 1
