N 2 3n 4 5n 6 21 then n July 8, 2019 16 32 64 128 N 2 3n 4 5n 6 21 then n is equal to If n 2 3n 4 5n 6 21 then n (4 + 3n) ⋅ (3n − 2n) − (n − 1) ⋅ 5n = (45 ^ n)/(3 ^ (2n - 1) * 5 ^ (n - 2)) (2 ^ (n + 2) * 21 ^ (n + 3))/(6 ^ (n + 1) * 7 ^ (n + 2))