Snyder, Virgil, 1869-1950, Sisam, Charles Herschel, 1879-, Hill, Theodore Preston. Early American mathematics books. CU-BANC · New York, H. Holt and Company · leaf 33
coordinates of every point P inthe given plane. It is not satisfied by the coordinates of anyother point. For, if Pl is a point not lying in the given plane, itis similarly seen, since the projection of OPl on OQ is not equal top, that the coordinates of Pl do not satisfy (4). Hence, (4) is the… … ART. 14] REDUCTION OF THE EQUATION 15 14. Reduction 01 the equation of a plane to the normal f ornL LetAx + By+Cz+D = Q (5) be any equation of first degree with, real coefficients. It is requiredto reduce this equation to the normal form. Let Q = (A, B, C)be the point whose coordinates are the…
Geometry, Analytic
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