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Can you solve it

Algebra Level 2

If \(x>1\) satisfy \(x + \dfrac1x = 4 \), find \( x - \dfrac1x\).

\[ 4\sqrt2\] \[2\sqrt{23} \] \[2 \sqrt3\] \[ 3\sqrt3\]

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Excel in math and science

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by Munem Shahriar

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