CVIVSDAM DIFFERENTIALIS. 13 



Qii.iiuitas \inculo ra.licali impl'cata ita exhibcatur 



♦-AE[i^AAEE?r^7-l-8ACEr.7(A-l-Err)-|-4ACCErr 



-f-4.AE(A-Err)') 



=:rrE'(fAEr^4-C(A+Err))'+(4AE-CC;(A-Err)'). 



Ponamiis crgo 4 AEr^-i-C(A-f-Err) — j-(A — Err) 



V(4-AE-CC) 



cr;tqiie formula furda - '■'-•^-rru^^Kv-ccy..^..) ^ ^^^^ 



j-v^^+AE-cC) = — inr^ 



erit diffcrentiando : 



idcoque 



r^^(A-Err)H-^^r(A-f-Err)-+-Cr^r = ^^-^^7^--^ 



quod cum fit ipfum prius membrum noflrae acqua- 

 tionis , cui acqualls eft ^''^A-Err^v.^.A e-cc;i.-h»; j^^, 



bebimus 



iJj(A-Err) , -/ f , . . jdrVAE ds . ^ 



iategrale eft ^j--}-V(i-^j-j-) — a. v.v-rvii; ^"^^^ fit 



^V A-l-r VENi ^ VA-H rV E 



I — <^^\^/A-r VW ^^S- VA — rV£' 



t; n + A E cj r -uCfA-f-Er rj 



±1,11 VerO X (A-Err)V(+AE-CC) 



atquc r—pp—xy et ^rr ''-^^^y^, hiacque 



iAE^TX -t -j'^) ->-Cr\ -f. Ex xj>j 



"'^ U-Ji«*J'.>;VuAE-CC) • 



B 3 x^. 



