MathDB
formalization of Ramanujan's result

Source: VJIMC 2003 1.3

July 12, 2021
limitsreal analysisNested Radicals

Problem Statement

Find the limit limn1+21+3+(n1)1+n.\lim_{n\to\infty}\sqrt{1+2\sqrt{1+3\sqrt{\ldots+(n-1)\sqrt{1+n}}}}.