5 4 2 6*(x - 4) *acot(3*x) 5*(x - 4) *acot (3*x) - -------------------- 2 1 + 9*x
/ 2 \ 3 | 2 30*(-4 + x)*acot(3*x) 9*(-4 + x) *(1 + 6*x*acot(3*x))| 2*(-4 + x) *|10*acot (3*x) - --------------------- + -------------------------------| | 2 2 | | 1 + 9*x / 2\ | \ \1 + 9*x / /
/ / 2 \ \ | 3 | 9*x 36*x *acot(3*x)| | | 18*(-4 + x) *|-acot(3*x) + -------- + ---------------| | | | 2 2 | 2 | 2 | 2 60*(-4 + x)*acot(3*x) \ 1 + 9*x 1 + 9*x / 45*(-4 + x) *(1 + 6*x*acot(3*x))| 6*(-4 + x) *|10*acot (3*x) - --------------------- - ------------------------------------------------------ + --------------------------------| | 2 2 2 | | 1 + 9*x / 2\ / 2\ | \ \1 + 9*x / \1 + 9*x / /