Page 177 - 1300 Math Formulas
P. 177
CHAPTER 7. ANALYTIC GEOMETRY
678. mçáåí=aáêÉÅíáçå=cçêã=
)ó −
^ ( )ñ − _ ( ñ + ó + ` (ò − ò ) M= I==
M M M
ïÜÉêÉ=íÜÉ=éçáåí= ( Iñm M ó M ò I M )=äáÉë=áå=íÜÉ=éä~åÉI=~åÇ=íÜÉ=îÉÅ-
íçê=( I _ ` =áë=åçêã~ä=íç=íÜÉ=éä~åÉK===
) I ^
=
==== =
=
Figure 128.
=
679. fåíÉêÅÉéí=cçêã=
ñ + ó + ò = N=
~ Ä Å
=
167
