________
/ 2
lim \/ 5 - x
x->1+
Limit(sqrt(5 - x^2), x, 1)
________
/ 2
lim \/ 5 - x
x->1+
2
= 2.0
________
/ 2
lim \/ 5 - x
x->1-
2
= 2.0
= 2.0