Question
Simplify:
$\left(x+\frac{1}{x}\right)^2+\left(x-\frac{1}{x}\right)^2$
$\left(x+\frac{1}{x}\right)^2+\left(x-\frac{1}{x}\right)^2$
✓
Answer
$2\left(x^2+\frac{1}{x^2}\right)$
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