/ / 2 \ \ | | 3*cosh (x)| 2*cosh(x)| -2*|x*|1 - ----------| + ---------| | | 2 | sinh(x) | \ \ sinh (x) / / ----------------------------------- 2 sinh (x)
/ / 2 \ \ | | 3*cosh (x)| | | 4*x*|2 - ----------|*cosh(x)| | 2 | 2 | | | 9*cosh (x) \ sinh (x) / | 2*|-3 + ---------- + ----------------------------| | 2 sinh(x) | \ sinh (x) / -------------------------------------------------- 2 sinh (x)