/x - 1\ atan|-----| / 1 x - 1 \ \x + 1/ |----- - --------|*e |x + 1 2| \ (x + 1) / ------------------------------- 2 (x - 1) 1 + -------- 2 (x + 1)
/ -1 + x / -1 + x\\ /-1 + x\ | -1 + ------ 2*(-1 + x)*|-1 + ------|| atan|------| / -1 + x\ | 1 + x \ 1 + x /| \1 + x / |-1 + ------|*|2 + ------------- - ------------------------|*e \ 1 + x / | 2 / 2\ | | (-1 + x) | (-1 + x) | | | 1 + --------- (1 + x)*|1 + ---------| | | 2 | 2| | \ (1 + x) \ (1 + x) / / -------------------------------------------------------------------------- / 2\ 2 | (-1 + x) | (1 + x) *|1 + ---------| | 2| \ (1 + x) /
/ / 2\ \ | 2 | 4*(-1 + x) 3*(-1 + x) | 2 2 | | / -1 + x\ / -1 + x\ 2*|1 - ---------- + -----------| 2 / -1 + x\ / -1 + x\ / -1 + x\| /-1 + x\ | |-1 + ------| 6*|-1 + ------| | 1 + x 2 | 8*(-1 + x) *|-1 + ------| 6*|-1 + ------| *(-1 + x) 8*(-1 + x)*|-1 + ------|| atan|------| / -1 + x\ | \ 1 + x / \ 1 + x / \ (1 + x) / \ 1 + x / \ 1 + x / \ 1 + x /| \1 + x / |-1 + ------|*|-6 - ---------------- - --------------- + -------------------------------- - -------------------------- + ------------------------- + ------------------------|*e \ 1 + x / | 2 2 2 2 2 / 2\ | | / 2\ (-1 + x) (-1 + x) / 2\ / 2\ | (-1 + x) | | | | (-1 + x) | 1 + --------- 1 + --------- 2 | (-1 + x) | | (-1 + x) | (1 + x)*|1 + ---------| | | |1 + ---------| 2 2 (1 + x) *|1 + ---------| (1 + x)*|1 + ---------| | 2| | | | 2| (1 + x) (1 + x) | 2| | 2| \ (1 + x) / | \ \ (1 + x) / \ (1 + x) / \ (1 + x) / / -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- / 2\ 3 | (-1 + x) | (1 + x) *|1 + ---------| | 2| \ (1 + x) /