Lemma
MediumSequences & series
#815 · Algebra · Sequences & series

Arithmetic means with variable term

Insert 18 arithmetic means between and .

~5 minProof · checked by AIarithmetic progressionmeans

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. IV. Arithmetical Progression, Examples IV.a, No. 15

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