Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 179
n 164 ANALYTIC GEOMETRY OPi as a side homologous to 01\ construct the triangle OI\Psimilar to OP^l, then OP is the quotient vector, for OP = -j and the angle XOP is ^i — $2- The quotient vector is obtainedfrom the vector which is the dividend in the same manner asthe unit vector is obtained from… … <^ + ^ Hence 2; = r™-e~ ; that is, the m root of z has m values which have the same absolute value and amplitudesdiffering by — beginning with —.* Problems. — 1. Add (2 + 15), ( - 3 + 12), (5 - i 3). 2. Find the value of (3 - i2) + (7 + i4) - (0 - i3). 3. Find absolute value and amplitude of…
Geometry, Analytic
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