4 26 3 27 27*(x - 7) *acot (x) 4*(x - 7) *acot (x) - --------------------- 2 1 + x
/ 2 \ 2 25 | 2 36*(-7 + x)*acot(x) 9*(-7 + x) *(13 + x*acot(x))| 6*(-7 + x) *acot (x)*|2*acot (x) - ------------------- + ----------------------------| | 2 2 | | 1 + x / 2\ | \ \1 + x / /
/ / 2 2 \ \ | 3 | 2 325 4*x *acot (x) 78*x*acot(x)| | | 9*(-7 + x) *|- acot (x) + ------ + ------------- + ------------| | | 2 | 2 2 2 | 2 | 24 | 3 162*acot (x)*(-7 + x) \ 1 + x 1 + x 1 + x / 108*(-7 + x) *(13 + x*acot(x))*acot(x)| 6*acot (x)*(-7 + x)*|4*acot (x) - --------------------- - ---------------------------------------------------------------- + --------------------------------------| | 2 2 2 | | 1 + x / 2\ / 2\ | \ \1 + x / \1 + x / /