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Equations & Systems
hard
0:00.0
Find the roots of the equation
x
4
−
13
x
2
+
36
=
0
x^4 - 13x^2 + 36 = 0
x
4
−
13
x
2
+
36
=
0
.
A
2
2
2
B
−
2
-2
−
2
C
3
3
3
D
−
3
-3
−
3
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