FORMA BINARIA DEL SEST'ORBINÉ 380 



{p,r,Y = — ^-^ ? , (i), y})' = ^ fm — j^lp — Y^Ak^-^.hA, 

 ^p,r,) = ^^Br-y--^,{fl-^k^)h, 



(p.z)' =— à^« + |gy<P• 

 (P,/.)' = - ilo /^ + ài"' + Si ^^-^ + 2V* - 1 ''^ - i '/ - 5 -B' ■ 



(;),/.) =l(/,,rt=/,--|(i,i,f;i-i{«:,^)>=... , 



