/ tan(2*x) \ lim |----------| x->0+| x | \- E + 2*x/
Limit(tan(2*x)/(-E^x + 2*x), x, 0)
/ tan(2*x) \ lim |----------| x->0+| x | \- E + 2*x/
0
= -1.98571360309602e-28
/ tan(2*x) \ lim |----------| x->0-| x | \- E + 2*x/
0
= 6.38687056789101e-28
= 6.38687056789101e-28