References
Collected Papers of Srinavasa Ramanujan (Cambridge, 1927), p. 332, Q. 738.
Ibid., p. 329, Q. 526.
Knopp,Infinite Series, p. 430.
In what followsw stands for a number between 0 and 1 andt for a number ⩾ 1 (2) specifies the relation between the two.
Iff″ (x) keeps the same sign, then any line cuts the curvey =f (x) in two points only.
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Communicated by Professor S. S. Bhatnagar,d.sc.,o.b.e.,f.i.c.
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Auluck, F.C. On some theorems of Ramanujan. Proc. Indian Acad. Sci. 11, 376–378 (1940). https://doi.org/10.1007/BF03051352
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DOI: https://doi.org/10.1007/BF03051352