A Treatise of Algebra in three Parts : I. the fundamental Rules and Operations : II. the Composition and Resolution of Equations of all Degrees and the different Affections of their Roots : III. the Application of Algebra and Geometry to each other ; The general Properties of Geometrical Lines (1779)
MacLaurin, Colin · printed for Nourse... · leaf 375
Chap . 3 . ALGEBRA . Lee the ordinate belonging to that giveri … intersection be g , then one of the values of v being F , it follows that the biquadratic | y 1 ± 2 db l y - f - d z - f - c will be divisible by ^ — which will reduce it to a cubic that shall have the second term . And thus we have a construction for cubic equations that have all their terms . For…
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