3n 6 2n 3 July 8, 2019 16 32 64 128 3n 6 3 2n 2 4 (3n+6) cdot 3(2n+2) cdot 4 = 3n 6 ⋅ 3 2n 2 ⋅ 4 3n 6 x 3 2n 2 x 4 3n 7 6 2n 5 3 3n 2n 3 6 59 N 6 2n 3 3n 12 21 3n 9 =- 3 2n 6 3n - 6