Quarterly Journal of Pure and Applied Mathematics, Volumes 21-22Longmans, Green, 1886 - Mathematics |
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Common terms and phrases
A₁ acnodes angle axis b₁ bowl C₁ centre of perspective cercles circle coefficients complexe conic consider constants coordinates corresponding cosh cosẞ cosy curve cyclic arc d₁ denote determined differential equation disc elliptic elliptic functions evanescent expression faisceau foci formula function given Hence hexagon imaginary infinite integral intersection inverse locus m₁ Math modular equation multiple obtained p-discriminant P₁ perpendicular plane positive potential q-series quadric quadrilaterals quantities quartic R₁ radius respectively result self-conjugate sides similarly sphere spherical spherical harmonic straight line substituting suffix suppose surface symmetric function tac-locus tangent theorem theta-functions triangle vanish zero