Question

lim (x—>1)x^2 +3x-4/x-1

Answer 1

lim
x
→
1

x
2
+
3
x
−
4
(
x
−
1
)
=
5
Explanation:
lim
x
→
1

x
2
+
3
x
−
4
(
x
−
1
)
=
lim
x
→
1

(
x
+
4
)
(
x
−
1
)
(
x
−
1
)
=
lim
x
→
1

(
x
+
4
)
=
5