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