The Power of q pp 93-98 | Cite as

# A “Difficult and Deep” Identity of Ramanujan

Chapter

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## Abstract

An identity, sent by Ramanujan in his first letter to Hardy, one of a handful that convinced Hardy that Ramanujan was a “mathematician of the highest class”, is presented. The proof is begun here, and finished after the Rogers–Ramanujan continued fraction is given in Chapter 15.

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