N 3 3n 2 July 8, 2019 16 32 64 128 N 3 3n 2 9n 5 N 3 3n 2 4n N 3 3n 2 2n is divisible by 6 N 3 3n 2 2n N 3 3n 2 2n 120 N 3 3n 2 2n 120 0 N 3 3n 2 5n 3 N 3 2n 1 3n 2 Prove n 3 3n 2 2n is divisible by 6 N 2 3n 3 0 2n 3 3n 2 n делится на 6 N 3 3n 2 3n 1 Lim n 3 3n 2 N 3 3n 2 2n 60 0
