/ 2 \ |t - t| lim |------| t->1+\1 + t /
Limit((t^2 - t)/(1 + t), t, 1)
= 0
0
= -6.36769676239037e-31
/ 2 \ |t - t| lim |------| t->1-\1 + t /
= -8.55033693224106e-33
-6.36769676239037e-31