iive erit 



A^+^sy* _ B(tt + Y»f 

 meav™ m b 2; 771 



Pro altera autem forma habebimus 



_!_ f& P n ~ m ~ L d F<_ _L /?_______l!___i 



quae quidem forma aliter integrari nequit r nili per loga- 

 rithmos et arcus cireulares ,. • fed ob< coneiunitatem imprimis 

 eft notatu digna- 



$'. 19. Irnprimis autem formulae notabiles prodibunt* 

 fi itatuamus- a. ~z 1 ; (3 z= 1 - y~i at c) zzl — 1 ; unde fit 

 fl — — 1 et iara binae noftrae formae generales fequentem 

 faciera induent:. 



t . — fd % (,* - z ?T~ T [ A (1 h- g) n - m -+- B (1 -z) tt - m j 

 ~~ »* [ C ( 1 -+- zf -+-D(i -z} 1 ] 



(1 - z z) C [C(i +Z) 1 -+ D (1 — zfq * 



n 



ubi' iam eft v ~z }/ [« ( 1 -4- _,)' 1 -+- 6 ( 1 ■— z) n ]. Tum vero, po- 

 lito p ~ -— J— et (f— 1 ^-?, valores haium. formarum fequenti 

 modo exprimentur: 



* =1'* /^_______£__ 4. '__/ __________; et 



2»=. 



2./ C+Y(aD-6C) 2 / D-^(aD-bC) 

 A-h f . p n ~ m ~ 1: dp- 



>.[. L 



•/ ( 1 — a ^ 71 



( 1 — ar^P) [D — ^ (a -D — b C)] 



Ba r cf — ^-^dq 



2. J ( 1 — b qfj [C : + <f (a.D'— b C)1 



J. 20.. 



