An introduction to projective geometry and its applications; an analytic and synthetic treatment (1905)
Emch, Arnold, b. 1871 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 30
ki-Xk ■m jy a— Xbki-Xk n = o. Comparing equations (6) and (7) with those of (4) and (5),we find, if (4) and (5) are wTitten u = o, v = o, that (6) and (7),the equations of the rays VD and VC, are (8)(9) w— Xv =0,u— Xkv=o. For each value of X these equations represent a correspondingpair in a…
Geometry, Projective · Geometry, Analytic
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