Keywords: Ramanujan Notebook 1 Chapter 8 on 1234 series.jpg en Snippet from Srinivasa Ramanujan's first notebook chapter 8 concerning an alternate derivation of 1 + 2 + 3 + 4 + ‹¯ ˆ’1/12 1919 http //www imsc res in/~rao/ramanujan/NoteBooks/NoteBook1/chapterVIII/page3 htm Srinivasa Ramanujan 1887 “ 1920 Custom license marker 2014 01 28 PD-old-auto-1996 India India has 50 pma for authors dead before 1941 was PD on 1996 URAA date 1920 Uploaded with UploadWizard Srinivasa Ramanujan texts English Series mathematics Notebooks |