-3 ----------------------------- __________ / 2 ___________ 2*\/ 1 - 9*x *\/ acos(3*x)
/ 1 6*x \ 9*|--------------------- - -------------| |/ 2\ 3/2| |\-1 + 9*x /*acos(3*x) / 2\ | \ \1 - 9*x / / ----------------------------------------- ___________ 4*\/ acos(3*x)
/ 2 \ | 4 3 108*x 18*x | -27*|------------- + ------------------------ + ------------- + ----------------------| | 3/2 3/2 5/2 2 | |/ 2\ / 2\ 2 / 2\ / 2\ | \\1 - 9*x / \1 - 9*x / *acos (3*x) \1 - 9*x / \-1 + 9*x / *acos(3*x)/ --------------------------------------------------------------------------------------- ___________ 8*\/ acos(3*x)