1 2b 2 5b 7 10b 4 5 July 8, 2019 16 32 64 128 4) (4b - 2)/(5b) - (2b - 1)/(5b) + 1/(5b) 4) (4b - 2)/(5b) - (2b - 1)/(5b) + 1/(5b) 6) (11a - 2b)/(2a) + (2a - 3b)/(2a) - (a - b)/(2a)
