2 / ___\ x + 4*x - 1 (4 + 2*x)*atan\\/ x / + --------------- ___ 2*\/ x *(1 + x)
/1 2 \ / 2 \ |- + -----|*\-1 + x + 4*x/ / ___\ 2*(2 + x) \x 1 + x/ 2*atan\\/ x / + ------------- - --------------------------- ___ ___ \/ x *(1 + x) 4*\/ x *(1 + x)
/ 2 \ /3 8 4 \ /1 2 \ \-1 + x + 4*x/*|-- + -------- + ---------| 3*(2 + x)*|- + -----| | 2 2 x*(1 + x)| \x 1 + x/ \x (1 + x) / 3 - --------------------- + ------------------------------------------- 2 8 ----------------------------------------------------------------------- ___ \/ x *(1 + x)