7^ ELEMENTA 



critqiie ob 6n=:: ^/'^dx : 



Cum igitur fit $ JZdx—f§ ZdXy habebimus : 

 ^fZdxzJldxJmh'dx-\-jtdxf^d$y-Vf%dxi^ 



-^JldxJ^y + etc. 

 -H/N^j'^a-^-/P^^j' -t-/^^+/^+etc. 

 Ponatur /^a^.v-zW, feu ^dx—dVJ, et ob 

 J^dxJm^jdx — WJ^^Sjdx-J^WSjdx 

 J2dxJ^dSy=:WJ^d$j~J^Wd§j' 



rO J fD.ddSy ,xr / O- d d S y ,D.WddSy 



Jtdxj nrx— - wy -^ — / — (iir^ 



cbtinebJiTUis : 



B JZdxzzW jTi^ y dx-\-W J ^d $ j -k- WJ^P 



^WJ^^^tc. 

 ^ fiH-^JlWjSjdx-^-JiP-^W^dSj 



-H/(Q-aW)^WCR-?KWj'^-fetc. 

 Hae formulae eodem modo Yt fupra reducflae dabunt: 



iJZdx=:W/Sj'-i-vim-3l + ^ - sf + «c.) 



-t- ^^-#^ (SX - "c.) 

 H-/J.,rf;.((N-5jW)-^'+4%-|^'-^-^r'+ctc.) 

 H- 6^^ (( P - ,) W) - ffi=J::2 _ l^jyi) _ etc.) 

 H- "// («i-O.W) - '^,^ -t- etc.) 

 '.-t- '^*. ' (( R - 3i W ) - etc, ) CotoU. 



