This article was originally published with the title “ An Instrument for Drawing Ellipses and Hyperbolas ” in Scientific American Magazine Vol. 97 No. 26 (December 1907), p. 472 doi:10.1038 ...

This article talks about important formulae and previous year questions related to Hyperbola for JEE Main and JEE Advanced Examination 2019. ... equilateral hyperbola, foci, eccentricity, ...