1300 Math Formulas

(Dana P.) #1
CHAPTER 7. ANALYTIC GEOMETRY

===== =


=


Figure 139.
=


  1. m~ê~ääÉä=iáåÉë=
    qïç=äáåÉë=~êÉ=é~ê~ääÉä=áÑ==
    ëNööëO


r r
I==
çê==

O

N
O

N
O

N
Å

Å


Ä


Ä


~


~


= = K=


=



  1. mÉêéÉåÇáÅìä~ê=iáåÉë=
    qïç=äáåÉë=~êÉ=é~ê~ääÉä=áÑ==
    ëN⋅ëO=M


r r
I==
çê==
~N~O+ÄNÄO+ÅNÅO=MK=
=


  1. fåíÉêëÉÅíáçå=çÑ=qïç=iáåÉë=


qïç=äáåÉë=
N

N
N

N
N

N
Å

ò ò
Ä

ó ó
~

ñ ñ −
=


=



=~åÇ=
Free download pdf