Plane and solid analytic geometry; an elementary textbook (1904)
Ashton, Charles Hamilton, 1866-1936 · New York, C. Scribner's Sons · leaf 254
3y x + 7/ — 3 z — 1 = 0.(c) 2a? + 4y + 3« + 6 = 0, 3a? + 6y + 22-l = 0. 3t/ (e) 2a>-3y- z + 2 = 0, (/) 4.y 4a?-6y + 32J-l = 0. 2t/ 6 z - 12 = 0, 4# — t/ + 12z + 4 = 0.(rt) 4y+ 3*+ 1=0, — 2 12 = 0. 3z- 2 = 0, 2 + 4 = 0. 5. Find the equations of the line of intersection of the plane2x — 3y -\- z —… … Fig. 13. c line and Pt a point through which it passes. Let P beany point on the line. Then from the figure x — xx = PXP cos a, y-yl = PXP cos ft z — z1 = PXP cos 7. 238 ANALYTIC GEOMETRY OF SPACE [Ch. IV, § 24 Solving these for PXP, and equating the values, we haveaj - asi y - y\ z - Z\ cos a cos…
Geometry, Analytic
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