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Foundations
hard
0:00.0
Evaluate
x
4
−
2
x
2
+
1
x^4 - 2x^2 + 1
x
4
−
2
x
2
+
1
for
x
=
\rt
3
x = \rt{3}
x
=
\rt
3
.
A
4
B
16
C
0
D
2
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