204 



./. A. Grilliert. 



IV. 



\ (f — r.) (/'/■. - t'f'i} - (// — .'/.) (.•//'. /'//.) I' 



+ \ (Ä -Ä,) (</Ä, - hg,} - (/•- /■,) (/■//, - -7/-.) r^ 



7/'.)^! 



V. 



VI. 



/"i (^ ^ ^1) (/"//i — ^/i) " (/' — /'.) (/'/'. - ßd I 

 + ^{(A— /'.) iff'h-hO — if- fd ifti^ gm 

 + h\if—fd (f'fi — ßd - (0 gd igih — f'ffi) I 



= \f(g-gi)-ffif-fö\ (fgi-gtd 



+ \gß-~ Ä.) " Ä (</ - //.) } (.<///, - Ä.<7,) 



^-{ifg^ — gnr + (gfh-hffd' + W\-ß^f\- 



VII. 



r. ! 0/ - //,) (/:'/. - .9/".) - (/' " /'.) (/' A - fih) \ 



+ </. 1 iir - iid (gf'i - hgd - (/•- ro (f.'/. " gfd \ 



+ /'. ä (/■- /■.) (/'/"i — /"/'O — ig— gö (<//'! — /'//.) I 



= S/". (.9 — gd - //i ( r- A) \ (fgi - gfd 



+ I g, (/, - Ä.) - Ä, (.(/ — .-/,) ] (ß/i, — A^.) 



+ ) /'i (/■ " f.) ^ /"i (/' " /'.) ä (/'/"i - /■/'.) 

 -= " { ifgi-gfif + (gfh — f'gif + (''f\ -ßö'l 



VIII. 



^^LfiirJjf, ^ = ^Ji^ 



r,!/ 



rill — ffh 



