Respuesta :

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