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 334
l have the fame sign in these cafes - , and consequently , the two infinite arcs of the curve will lie on the same side of AE . But if n be an odd number , then when x is negative , x " will be negative , and ax ” will have the contrary sign to what it has when x is posi tive ; and therefore the… … gent at the vertex ; and the two infinite arcs lie manifestly on the fame side of AE . But
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