CHAPTER 7. ANALYTIC GEOMETRY

651. dÉåÉê~ä=cçêã

^ñO+_ñó+`óO+añ+bó+c=MI==

ïÜÉêÉ=_O−Q^`<MK=

=

652. dÉåÉê~ä=cçêã=ïáíÜ=^ñÉë=m~ê~ääÉä=íç=íÜÉ=`ççêÇáå~íÉ=^ñÉë

^ñO+`óO+añ+bó+c=MI==

ïÜÉêÉ=^`>MK

=

653. 
     

     `áêÅìãÑÉêÉåÅÉ
     i=Q~b()ÉI==
     ïÜÉêÉ==íÜÉ==ÑìåÅíáçå=b==áë==íÜÉ=ÅçãéäÉíÉ==ÉääáéíáÅ=áåíÉÖê~ä==çÑ=
     íÜÉ=ëÉÅçåÇ=âáåÇK==

     
     


654. ^ééêçñáã~íÉ=cçêãìä~ë=çÑ=íÜÉ=`áêÅìãÑÉêÉåÅÉ

i=π(NKR()~+Ä − ~Ä)I==

i=π O()~O+ÄO K=

=

655. 
     

     p=π~Ä=

     
     

     =

     
     

7.6 Hyperbola

=

qê~åëîÉêëÉ=~ñáëW=~=

`çåàìÖ~íÉ=~ñáëW=Ä=

cçÅáW=cN()−ÅIMI=cO(ÅIM)=

aáëí~åÅÉ=ÄÉíïÉÉå=íÜÉ=ÑçÅáW=OÅ= =

bÅÅÉåíêáÅáíóW=É==

^ëóãéíçíÉëW=ëI=í=

oÉ~ä=åìãÄÉêëW=^I=_I=`I=aI=bI=cI=íI=â=

=

=

=