Page 147 - 1300 Math Formulas
P. 147
CHAPTER 7. ANALYTIC GEOMETRY
618. ^êÉ~=çÑ=~=nì~Çêáä~íÉê~ä=
p = () ( ± N N O ) [ ñ ( − ñ N O )ó + (+ ó O P )ñ ( − ñ O + ó P )ó + =
O
+ ( P ñ Q )ñ − (ó + ó Q ) (ñ −+ Q ñ N )(ó + ó N )]=
Q
P
=
=== =
=
Figure 95.
=
kçíÉW=få=Ñçêãìä~ë=SNTI=SNU=ïÉ=ÅÜççëÉ=íÜÉ=ëáÖå=EHF=çê=E¥F=ëç=
íÜ~í=íç=ÖÉí=~=éçëáíáîÉ=~åëïÉê=Ñçê=~êÉ~K==
=
619. aáëí~åÅÉ=_ÉíïÉÉå=qïç=mçáåíë=áå=mçä~ê=`ççêÇáå~íÉë=
Ç = ^_ = ê + ê − N O Åçë ( ê ê O O − ϕ =
)ϕ
O
O
N
N
O
=
137
