/ x\ | x -| x | - 3 3| - |/ 2 \ 3 x *e | 3 3 |\2*x + x*x/*e + -----|*cosh(x) + x *e *sinh(x) \ 3 /
x / / 2 \ \ - | 2 \54 + x + 18*x/*cosh(x) 2*x*(9 + x)*sinh(x)| 3 x*|x *cosh(x) + ------------------------ + -------------------|*e \ 9 3 /
x / / 3 2 \ / 2 \ \ - | 3 \162 + x + 27*x + 162*x/*cosh(x) 2 x*\54 + x + 18*x/*sinh(x)| 3 |x *sinh(x) + ---------------------------------- + x *(9 + x)*cosh(x) + --------------------------|*e \ 27 3 /