N 3 5n 2 )( n 3 4n 2 3n July 8, 2019 16 32 64 128 (4 + 3n) ⋅ (3n − 2n) − (n − 1) ⋅ 5n = (45 ^ n)/(3 ^ (2n - 1) * 5 ^ (n - 2)) 2/(n + 2) + (n + 5)/(n ^ 2 - 4) - (3n + 1)/(2n - 4)
