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Polynomials
hard
0:00.0
Find the sum of the squares of the roots of
x
4
−
2
x
2
+
4
=
0
x^4 - 2x^2 + 4 = 0
x
4
−
2
x
2
+
4
=
0
.
A
4
B
6
C
8
D
0
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