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Mathematics
Problem
Let
g
(
x
)
=
x
2
−
3
g(x)=x^{2}-3
g
(
x
)
=
x
2
−
3
. Explain why the equation
x
2
=
3
x^{2}=3
x
2
=
3
has at least one real solution in the open interval
(
1
,
2
)
(1,2)
(
1
,
2
)
.
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