x*(x + 1) --------- x - 1 e
exp((x*(x + 1))/(x - 1))
2 x x ------ ------ -1 + x -1 + x e *e
exp(x/(-1 + x))*exp(x^2/(-1 + x))
2 x x ------ ------ -1 + x -1 + x e *e
exp(x/(-1 + x))*exp(x^2/(-1 + x))
/x*(1 + x)\ /x*(1 + x)\ cosh|---------| + sinh|---------| \ -1 + x / \ -1 + x /
cosh(x*(1 + x)/(-1 + x)) + sinh(x*(1 + x)/(-1 + x))