9 8 4 1 2a )= 3 1 4a 5 2 July 8, 2019 16 32 64 128 A) (- 1 9) * 4 ^ 2 3 8 (4 1/9 - a) + 8 5/9 = 9 2/9 (4a ^ 2 - 9)(1/(2a - 3) - 1/(2a + 3))