Plane and solid analytic geometry; an elementary textbook (1905)
Ashton, Charles H. (Charles Hamilton), 1866- · New York, C. Scribner's Sons · leaf 112
sfy that equation, or (2) y = Ix + 6. Ch. VIII, § Gl] LOCI 95 We have tlieu two equations in x, ?/, ?, and b, fromwhich b must be eliminated. From (2) b = y-Ix. Sub-stituting this value in (1) andreducing, w^e have as the equa-tion of the desired locus x + ly = 0.Since this equation is of thefirst… … It is 27. Find the locus of the middle points of chords whichpass through a fixed point {x^, y^ of the circle x^ -^ y^ = r^. Let P, (x\ y^ihe the middle point of any chord throughP^, (rzi, ^i). Let {x^.y^ be the coordinates of P^^ theother extremity of the chord. From the formulas for bisecting a…
Geometry, Analytic
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