N 6 5n 1 July 8, 2019 16 32 64 128 N 6 5n 18 N 3 5n 6 1 3 6 n 1 )- 5n =- 14 6 n 5n 1 is divisible by 25 N 6 5n 12 1 6 Prove that 6 n 5n 1 is divisible by 25 N 2 3n 4 5n 6 12 5n 8 n 6 n 1 N 2 5n 12 n 6 3n 2n 6 6 n 1 5n
