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Exponents & Radicals
medium
0:00.0
Which is correct for
x
2
\sqrt{x^2}
x
2
?
A
x
x
x
B
∣
x
∣
|x|
∣
x
∣
C
x
2
x^2
x
2
D
±
x
\pm x
±
x
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