/ /1 + x\\ |log|-----|| | \1 - x/| lim |----------| x->1+\ 2 /
Limit(log((1 + x)/(1 - x))/2, x, 1)
/ /1 + x\\ |log|-----|| | \1 - x/| lim |----------| x->1+\ 2 /
oo
= (4.7761396244237 + 1.5707963267949j)
/ /1 + x\\ |log|-----|| | \1 - x/| lim |----------| x->1-\ 2 /
oo
= 4.78198907916324
= 4.78198907916324