Snyder, Virgil, 1869-1950, Sisam, Charles Herschel, b. 1879 · New York : H. Holt and Company · leaf 42
he system k^L^ + k.L^^ 0 obtained in this wayare called the three projecting planes of the line T/j = 0, ij = 0 onthe coordinate planes. Art. 24] SYSTEM OF PLANES THROUGH A LINE 27 Since two distinct planespassing through a line aresufficient to determine theline, two projecting planes ofa line may… … Fig. 15 15) X = mz + a, y = nz + h. (22) If the line is parallel to 2 = 0, the value of k for which the coeffi-cient of X is made to vanish will also reduce the coefficient of y to zero, so that the projecting planes onx = 0 and on ?/ = 0 coincide. Thisprojecting plane z =c and the projec-ting…
Geometry, Analytic
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