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Mathematics
Mathematics
Problem
Determine the domain of the function
f
(
x
)
=
1
x
3
−
2
x
2
−
5
x
+
6
f(x)=\dfrac{1}{x^{3}-2x^{2}-5x+6}
f
(
x
)
=
x
3
−
2
x
2
−
5
x
+
6
1
. a)
R
∖
{
−
2
,
1
}
\mathbb R\setminus\{-2,1\}
R
∖
{
−
2
,
1
}
b)
R
∖
{
−
3
,
1
,
2
}
\mathbb R\setminus\{-3,1,2\}
R
∖
{
−
3
,
1
,
2
}
c)
R
∖
{
−
2
,
1
,
3
}
\mathbb R\setminus\{-2,1,3\}
R
∖
{
−
2
,
1
,
3
}
d)
R
∖
{
−
1
,
2
,
3
}
\mathbb R\setminus\{-1,2,3\}
R
∖
{
−
1
,
2
,
3
}
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