Difference between revisions of "Titu's Lemma"
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It is a direct consequence of Cauchy-Schwarz theorem. | It is a direct consequence of Cauchy-Schwarz theorem. | ||
− | Titu's lemma is named after Titu Andreescu | + | Titu's lemma is named after Titu Andreescu and is also known as T2 lemma, Engel's form, or Sedrakyan's inequality. |
Revision as of 02:10, 14 July 2021
Titu's lemma states that:
It is a direct consequence of Cauchy-Schwarz theorem.
Titu's lemma is named after Titu Andreescu and is also known as T2 lemma, Engel's form, or Sedrakyan's inequality.