Bailey, Frederick H. (Frederick Harold), 1865- · Boston, London, Ginn & Co. · leaf 170
es, FQ^MQKG MC and QG_NQ. ^^ HC~CN Hence Q^= MCXN ■^^*^-^^^- ^^^ Now place MC = CN=a, and KC.HC=b2. 164 PLANE ANALYTIC GEOMETRY. / n^ \Ae— T Pig. 69.Equation (1) becomes QP^%^ MQ.NQ. di (2) If, finally, in the plane MN we take C as the origin of coor-dinates and M N as the axis of x, then MQ=MC +… … Fig. 70. Take Q, Fig. 70, any point on the line MN, and N, the ex-tremity of M N, and pass planes parallel to the base of thecone, as before. Then QP=FQ.QG. But FQ=HN, hn~oh and Q^-^-NQ. (1) Now take N as the origin of coordinates, and MN as theaxis of X. Then QP = y, __ NQ=x, HNand TTTT) since it…
Geometry, Analytic
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