Lemma
EasyInequalities
#1646 · Algebra · Inequalities

Quantity and reciprocal sum

Show that the sum of any real positive quantity and its reciprocal is never less than .

~3 minProof · checked by AIInequalitiesReciprocals

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XIX. Inequalities, Examples XIX.a, No. 3

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