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Exponents & Radicals
hard
0:00.0
If
x
=
2
1
/
3
−
2
−
1
/
3
x = 2^{1/3} - 2^{-1/3}
x
=
2
1/3
−
2
−
1/3
, find
2
x
3
+
6
x
2x^3 + 6x
2
x
3
+
6
x
.
A
3
B
−
3
-3
−
3
C
0
D
1
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