Published online by Cambridge University Press: 03 November 2016
page no 372 note * Vide Ferrers, Trilinear Coordinates, Chap. I, § 4.
page no 373 note * Vide Niewenglowski, , Cours de Géométrie Analytique (1914), Tome III, p. 476 Google Scholar.
page no 374 note * Ferrers, Trilinear Coordinates, Chap. IV, § 21. For a derivation of the formula for the semi-axes of a quadric in Sn purely from dimensional consideration vide: Rao, Narasinga, “On the form of the equation giving the axes of a quadric locus or envelope”. Tohoku Math. Journal, Vol. 31, p. 420 Google Scholar et seq.