Principes de la géométrie analytique. Géométrie de l'espace, par L. Painvin.

2L)/4

i-C ell/ Jlc cOrtl(-l/a -JO ~,A, d~e a I qi c v710alu
a ti'Lt p0h-1th LK-~ A WC Iue I ~ cfc 0 (7 7r _11te fifo -ID:,-u crtet ices- a
~ 'Lvk~t ~ fe~-c ) et'fci cii e,-;; -uKrce-c<f _'oi 0 /J-Je__ck y cine/ _ e.ot t )ccIccc-Li~t1Lt
crtU C~~~~~~~ S1111
-1,3 i?7-a')oru-uC ~ S) —~~ —' t~e -a i- oi~~,OLi~iC JL$Wt& pchlelpn
CL iCOL L~~~t eltCICHIIC CtjI tC -QTVvC-deo WCL'(Ae-C- cthe1 T) 1[4ee' Uecc. pati lccn
e)-jot3~ iCl~~et~L~c~-1C1~Ld~-(VC- C-L~LA~$ ieUi Cht1~4t c-I1 ~0-
e cell-Pob- /3 i n. r6-! c hlielC m_ C' t f- pcul90 L- 4C- OtFfre ca, iSC 6aOdc11,Vt ~ L/w~ $aa CveCM1, do-tc et h'u"aMotA,C, lejca- bilsOL. ~1?
C f)~~~X 'y2` ~
C.-la/I//eIL 2 J7/0C p~~ —~ alz pati rx-c '1, d~'
(3) 2~iY, zi) -1- ( Lt 4X- i + W7i- ')C -AZ —4 ()~
C 'iewtt~~i) "a 2~~~2 t'C-/a ~1~ 3 ceU61ef tIWt- Cailt.' Cai~L7~at &aiiv~)l.tAeli1' it/L C y:'(-. "J I a
~~~ Lid /ZIIA.~A -,Ce- - e C7
C) g ertC~/'2f,~~~ ((i) / (I_7t C_-ep.:1 tk 4(lI- /1 Me ~ at1/ - c 'e- / i ael-i
dde r.till l0 lll-cr ci/cl 4JtL dcOiier are kc- _ w'Ii,-VP C177~~~~rzL ii+Ni-f
fi) ~~~~~~~(4 A'ku) C"' /)W4C
c)otie —yvze(a/e4' A,/ ca el/ 7Ju aiI i9C,X cauret- /aa;;? o& ",Wi9191;Ztuifes' ~pC~~tpcnE)~3 l
-~rcc~~t<emtdo~c~114~11~v ~ritt tLt6a~)-~cciC-' — ue-{-pw e~t. 6 o~c Xc
6 tiuz/lrce ',Pc/z~cc c-A- twe- 2e'rc/ fea frcca ) Cb+ie- _ AA C,V -oii C/;7'~'l/
AtolL (S) j' au. Pat,4 _b 7Vif W — 2 Ga-LG'bV+6

Iti-L e. (I.11 C, 1-c wt A (42 —ct -5oW't e'&-{ Clt rive -ia-itCt aIC Q
~~V -ce(~~aF_1JCtL c- t t.c4tir) aC')a >oa '__ 'dt- rc{v')tto ltv(ic{~7~l~