Q1278 (Q1278): Difference between revisions

@@ Property / relevant answers: 3196161 / qualifier @@
-Defining formula:  $x+{1 \over x}\geq 2$ 
x+{1\over x}\geq 2
@@ Property / relevant answers: 3196161 / reference @@
-our score: 2Amount 2
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Revision as of 13:50, 20 May 2020

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English	No label defined	No description defined

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A.74

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x+{\frac {1}{x}}-2={\frac {x^{2}}{x}}+{\frac {1}{x}}-{\frac {2x}{x}}={\frac {x^{2}-2x+1}{x}}={\frac {\left(x-1\right)^{2}}{x}}\geq 0

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