Page 159 - 1300 Math Formulas
P. 159
CHAPTER 7. ANALYTIC GEOMETRY
=
=
Figure 111.
=
639. fåíÉêëÉÅíáçå=çÑ=qïç=iáåÉë=
fÑ=íïç=äáåÉë= ^ N ñ + _ N ó + ` = M =~åÇ= ^ O ñ + _ O ó + ` = M=áåíÉê-
O
N
ëÉÅíI=íÜÉ=áåíÉêëÉÅíáçå=éçáåí=Ü~ë=ÅççêÇáå~íÉë=
− ` _ + ` _ − ^ ` + ^ `
ñ = N O O N I= ó = N O O N K=
M
^ _ − ^ _ M ^ _ − ^ _
N O O N N O O N
=
=
=
7.4 Circle
=
o~ÇáìëW=o=
`ÉåíÉê=çÑ=ÅáêÅäÉW=( ÄI~ )=
mçáåí=ÅççêÇáå~íÉëW=ñI=óI= ñ I= ó I=£=
N
N
oÉ~ä=åìãÄÉêëW=^I=_I=`I=aI=bI=cI=í=
149
