CHAPTER 7. ANALYTIC GEOMETRY=
Figure 107.
=- aáëí~åÅÉ=cêçã=~=mçáåí=qç=~=iáåÉ=
qÜÉ=Çáëí~åÅÉ=Ñêçã=íÜÉ=éçáåí=m(~IÄ)=íç=íÜÉ=äáåÉ=
^ñ+_ó+`=M=áë==
^O _O
^~ _Ä `
Ç
+
+ +
= K=
=
=
=
Figure 108.
dana p.
(Dana P.)
#1