E
Editor
Sep 18, 2022
What is the value of (\frac{1}{x}+x)^2-\left(\frac{1}{x}-x\right)^2?
Difficulty: Easy
A:
4
B:
0
C:
2x^2
D:
\frac{2}{x^2}
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ID: 63273db5ca83163ac3a0a12b