Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Find the excluded value(s) of
f
(
x
)
=
2
x
+
1
x
2
−
4
x
+
3
f(x)=\dfrac{2x+1}{x^{2}-4x+3}
f
(
x
)
=
x
2
−
4
x
+
3
2
x
+
1
. a)
{
1
}
\{1\}
{
1
}
b)
{
−
1
2
}
\{-\dfrac12\}
{
−
2
1
}
c)
{
1
,
3
}
\{1,3\}
{
1
,
3
}
d)
{
1
,
−
3
}
\{1,-3\}
{
1
,
−
3
}
Browse the problem library