Ramanujan, Quadratic Forms, and the Sum of Three Cubes
Department or Administrative Unit
This article shows how, using only basic precalculus tools and a seed such as 33 + 43 + 53 = 63, to generate quadratic-form formulas for the Diophantine equation A3 + B3 + C3 = D3.
Harper, J. D. (2013). Ramanujan, Quadratic Forms, and the Sum of Three Cubes. Mathematics Magazine, 86(4), 275–279. https://doi.org/10.4169/math.mag.86.4.275
© Mathematical Association of America
This article was originally published in Mathematics Magazine. The full-text article from the publisher can be found here.
Due to copyright restrictions, this article is not available for free download from ScholarWorks @ CWU.