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Problem
Problem
The absolute minimum and maximum values of the function
f
(
x
)
=
x
2
−
x
+
1
x
2
+
x
+
1
f(x)=\frac{x^2-x+1}{x^2+x+1}
f
(
x
)
=
x
2
+
x
+
1
x
2
−
x
+
1
is a. 1 and 3 b.
1
2
\frac{1}{2}
2
1
and 3 c.
1
3
\frac{1}{3}
3
1
and 3 d. None of these
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