CHAPTER 7. ANALYTIC GEOMETRY====== =
=
Figure 149.
=- oÉ~ä=fåíÉêëÉÅíáåÖ=mä~åÉë=E`~ëÉ=NOF=
M
Äó
~ñ
OO
OO
− = ==- fã~Öáå~êó=fåíÉêëÉÅíáåÖ=mä~åÉë=E`~ëÉ=NPF=
M
Äó
~ñ
OO
OO
+ = ==- m~ê~ÄçäáÅ=
óäáåÇÉê=E~ëÉ=NQF=
ó M
~ñ
OO
− = ==
dana p.
(Dana P.)
#1