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Mathematics
Problem
For the function
g
(
x
)
=
x
2
−
1
x
−
1
g(x)=\dfrac{x^{2}-1}{x-1}
g
(
x
)
=
x
−
1
x
2
−
1
, decide whether
x
=
1
x=1
x
=
1
is included in its domain and give a brief reason for your answer.
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