Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Compute
lim
x
→
−
2
−
x
−
1
(
x
+
2
)
(
x
−
4
)
\displaystyle\lim_{x\to -2^-}\frac{x-1}{(x+2)(x-4)}
x
→
−
2
−
lim
(
x
+
2
)
(
x
−
4
)
x
−
1
and
lim
x
→
−
2
+
x
−
1
(
x
+
2
)
(
x
−
4
)
\displaystyle\lim_{x\to -2^+}\frac{x-1}{(x+2)(x-4)}
x
→
−
2
+
lim
(
x
+
2
)
(
x
−
4
)
x
−
1
. Then classify the discontinuity at
x
=
−
2
x=-2
x
=
−
2
as removable or non-removable.
Browse the problem library