Plane and solid analytic geometry; an elementary textbook (1904)
Ashton, Charles Hamilton, 1866-1936 · New York, C. Scribner's Sons · leaf 28
. If variablepoints whose movements are governed by different lawsare under consideration at the same time, they will bedistinguished by using (x, ?/), (V, ?/), etc. 11. Distance between two points in rectangular coordi-nates. — One of the first questions which naturally arisesconcerning points is… … YZ ANALYTIC GEOMETRY [Ch. II, § 11 ilars on the X-axis and draw P2K to meet MlPl or that line produced. Then xl = 0MV x2 = 0M2, yx = MXPVand y2 = M2P2. It must be remembered that the coordi-nates of any point are measured from the coordinate axesand must be so read. In either figure PXP2 = V/yf* +…
Geometry, Analytic
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