<££ ) 103 '( H»- 



hincquc differentiando 



dX mdx dx dx dx t 



X x x — c * — d x — e 



fuie multiplicando per X ct per dx diuidendo 



d x x x — c x—d x—e 



dX mx m ~~ l x m 



dx (x-c)(x-d)(x-e) (etc. (x-c) 2 (x-d) (x-e) (etc. 



x m 



(x-c)(x-dy(x-e)(ctc. ' etC * 

 quocirca pofito x — b habebitur 



mb n -> b^ 



P — (^c)(^d)iyeY(ttc~ (Tc) 2 (b-d)(b-e) (etc. 



b m 



— etc. 



(b-c\b-d)\b-e)(ctc 

 pro reliquis autcm erit 



m ^rn. 



y — (c-b)' (c-d t (c-e) (etc. ' 5 ~ (d-b)-(d-c)(d-e)(etc: etC * 



$. 1 8. His in gcnere obferuatis haud difficile erit, quem- 

 vis cafum fpecialem expedire. Vt res exemplo illuftretur, 

 coronidis loco confidcremus adhuc cafum fupra §. n.tracta- 

 tum , vbi erat « — 4, ideoque et numerus litterarum a, b, 

 c, etc. — 4 , pro quo igitur cafu erit 

 b m 



OL 



(b-c)(b-d) 

 mb m ~ x b m b m b m 



$ — (b~yjb~) ~ ~~~)~b~d) ~ JjTe) (b-~df ~ (b-c)(b-d) 



c 



.rn 



y — rr~ri7T&-T\, et 5zz 



.d" 



(c-b)*(c-dy °-~(d-b)'(d-c) 



tam 



