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Exponents & Radicals
easy
0:00.0
Which is
x
−
2
x^{-2}
x
−
2
?
A
1
x
2
\frac{1}{x^2}
x
2
1
B
−
x
2
-x^2
−
x
2
C
x
\sqrt{x}
x
D
x
2
x^2
x
2
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