/-1 + t\ lim log|------| t->-1+ \1 + t /
Limit(log((-1 + t)/(1 + t)), t, -1)
/-1 + t\ lim log|------| t->-1+ \1 + t /
oo
= (9.56397815832648 + 3.14159265358979j)
/-1 + t\ lim log|------| t->-1- \1 + t /
oo
= 9.55227924884741
= 9.55227924884741
(9.56397815832648 + 3.14159265358979j)
(9.56397815832648 + 3.14159265358979j)