Solución
lim
x
→
6
g
(
x
)
−
f
(
x
)
=
lim
x
→
6
g
(
x
)
−
lim
x
→
6
f
(
x
)
=
5
\mathop {\lim }\limits_{x \to 6} \sqrt {g\left( x \right) - f\left( x \right)} = \sqrt {\mathop {\lim }\limits_{x \to 6} g\left( x \right) - \mathop {\lim }\limits_{x \to 6} f\left( x \right)} = \sqrt 5
x
→
6
lim
g
(
x
)
−
f
(
x
)
=
x
→
6
lim
g
(
x
)
−
x
→
6
lim
f
(
x
)
=
5