(4*x - 3)*atan(3*x)
3*(4*x - 3) 4*atan(3*x) + ----------- 2 1 + 9*x
/ 9*x*(-3 + 4*x)\ 6*|4 - --------------| | 2 | \ 1 + 9*x / ---------------------- 2 1 + 9*x
/ / 2 \ \ | | 36*x | | 54*|-12*x + |-1 + --------|*(-3 + 4*x)| | | 2| | \ \ 1 + 9*x / / --------------------------------------- 2 / 2\ \1 + 9*x /