x / x \ lim |------| x->oo\-3 + x/
x / x \ lim |------| x->2+\-3 + x/
4
= (4.0 + 4.33094415228886e-24j)
x / x \ lim |------| x->2-\-3 + x/
= (4.0 - 1.59476694637762e-24j)
3 e
(4.0 + 4.33094415228886e-24j)