|2 + x - E| |---------| | 1 + x | ----------- -1 + E
Abs((2 + x - E)/(1 + x))/(-1 + E)
|2 + x - E| |---------| | 1 + x | ----------- -1 + E
Abs((2 + x - E)/(1 + x))/(-1 + E)
| 1 1 | |---------------------- - -----| |-1 + cosh(1) + sinh(1) 1 + x|
Abs(1/(-1 + cosh(1) + sinh(1)) - 1/(1 + x))