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Mathematics
Problem
Find the excluded values for
h
(
x
)
=
2
x
+
1
x
2
−
4
x
+
3
h(x)=\dfrac{2x+1}{x^2-4x+3}
h
(
x
)
=
x
2
−
4
x
+
3
2
x
+
1
.
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