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Problem
Problem
The minimum area of circle which touches the parabolas
y
=
x
2
+
1
y = x^2 + 1
y
=
x
2
+
1
and
x
=
y
2
+
1
x = y^2 + 1
x
=
y
2
+
1
is a.
9
π
16
\frac{9\pi}{16}
16
9
π
sq units b.
9
π
32
\frac{9\pi}{32}
32
9
π
sq units c.
9
π
8
\frac{9\pi}{8}
8
9
π
sq units d.
9
π
4
\frac{9\pi}{4}
4
9
π
sq units
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