Page 164 - 1300 Math Formulas
P. 164
CHAPTER 7. ANALYTIC GEOMETRY
651. dÉåÉê~ä=cçêã
^ñ + _ñó + `ó + añ + bó + c = MI==
O
O
ïÜÉêÉ=_ − Q ^` < MK=
O
=
652. dÉåÉê~ä=cçêã=ïáíÜ=^ñÉë=m~ê~ääÉä=íç=íÜÉ=`ççêÇáå~íÉ=^ñÉë
^ñ + `ó + añ + bó + c = M I==
O
O
ïÜÉêÉ= ^` > K
M
=
653. `áêÅìãÑÉêÉåÅÉ
i = Q ~b () É I==
ïÜÉêÉ==íÜÉ==ÑìåÅíáçå=b==áë==íÜÉ=ÅçãéäÉíÉ==ÉääáéíáÅ=áåíÉÖê~ä==çÑ=
íÜÉ=ëÉÅçåÇ=âáåÇK==
=
654. ^ééêçñáã~íÉ=cçêãìä~ë=çÑ=íÜÉ=`áêÅìãÑÉêÉåÅÉ
=
i π ( ( R K N Ä − ~Ä )I==
)~ +
= O ( i π O Ä K=
)~ +
O
=
=
655. p π ~Ä=
=
=
=
7.6 Hyperbola
=
qê~åëîÉêëÉ=~ñáëW=~=
`çåàìÖ~íÉ=~ñáëW=Ä=
cçÅáW= ( c − M I ) Å I= ( MIÅc O )=
N
aáëí~åÅÉ=ÄÉíïÉÉå=íÜÉ=ÑçÅáW=OÅ= =
bÅÅÉåíêáÅáíóW=É==
^ëóãéíçíÉëW=ëI=í=
oÉ~ä=åìãÄÉêëW=^I=_I=`I=aI=bI=cI=íI=â=
=
=
=
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