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Mathematics
Problem
Consider the function
g
(
x
)
=
x
−
2
(
x
−
2
)
(
x
+
1
)
g(x)=\dfrac{x-2}{(x-2)(x+1)}
g
(
x
)
=
(
x
−
2
)
(
x
+
1
)
x
−
2
. Which of the following describes the domain of
g
g
g
? a)
R
∖
{
−
1
}
\mathbb R\setminus\{-1\}
R
∖
{
−
1
}
b)
R
∖
{
2
,
−
1
}
\mathbb R\setminus\{2,-1\}
R
∖
{
2
,
−
1
}
c)
R
∖
{
2
}
\mathbb R\setminus\{2\}
R
∖
{
2
}
d)
R
\mathbb R
R
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