-^.-^ ) 77 ( 



Hinc prodibit ex prima et feciinda: 



(X-h2)(X+i)-i-(X-f-i)A-(A4- i)(a-|-wa'') 

 wU-i-2)C/l-i-i)-i-B(A4-i)=:(t3-i-?//|3')(A-+-i), 



ideoque 



(A+2)CA+i) — (A+i)(a + w?a')-y-/«v' •, 

 »2(AH-2,(A+i)=:U+0([3 + ?«p)-5-w^'i 



ex priori hariim fit 



fn — (2LltJ.L(_^zt ') — _U -4- ■) g -4-7 



et ex pofteriori 



«, fX -4 - 'QP— g 



— (X-+- O (X-+- . ) — (A -t^ . J P'-f-5' ' 



vnde iterum ad eandcm pro A detcrminando peruenimus 

 acqiintionem ac fupra, quae vero concinnius fic expnmi 

 Tidetur: 



(A + 2)'(A+ i)'-(A + 2)(A+i)*(«+(3') 



+:(A + 2)(A + i) (y + 5') + f A+i)'(a(3'-«'(3) 

 + (A + I ) (a 5 - a ^' + (3 y' - p' y ) 

 + y 5' — y' ^ zr o ; 



vnde loco {A-\-^){A.-^ i) ponendo 



(A + 4-)(A + 3)-4-(A + 3) + 2, : :„r,o;-ir ^ 



loco A+ I, A+- 3 — 2, et dcnique loco A+i, A+2— i, 

 ifta prodibit aequatio: 



(A+4 (A+ 3) (A+ 2)(A+ i)-fA+ 3)(A+ 2) (A+i)(4+a+(3') 



+ (A+2)a+i)(2 + 2(a + (30+y + ^' + ai3'-a'p) , ^^0« 



- (A+ 1 ) (a p' - a' |3+ a (J '- a' a +|3' y- (3 y ') +^yi' -.'V,'^^,Q, 



vbi cqefficientes iam iidem prodeunc , ac pro v|tima ae- 



quatione differentiali §. 2. fola dififcrentialia ipfius j inuol- 



K 3 uente, 



