174 Opuscula. I 
( ^ * 
( —^Dycpf G C. q 
( -I- f V(:p . C c . f 9 
Hxc una eft ex integrandis , Muitiplicetur quarta per ~, 
& auferatur a prima 
/ „_ . — -* 
^ ) ggi-iq^.DyfSc.^cp 
%.^yfdcp.Sc,^(p= p-j-jj™ ^^-igqDycpf Sc.^^.G c . f 
( 4-2 f f D_y 9^ C c. f cp 
+ •( H- 2 ^ f ^'"^^ • S c^^^c . ^ <^ 
( — 1 ^ qy (p^-^d Cp .Cc.q(p , 
Dcmum qoarta multipiicata per addatur tertiae 
^ ^ ( iqqDyrp^Sc.q-p 
S,^ y (p^dd^ ^Qc.q cp — —.^ + Djy qD-^.S c.^O?. C c . f 
(H-^,g"+2 f f • -C^J' i'^ C c . f 9 
/ — — ^ 2 
J; — 2 ^ ^ fp^" V (|3 , S c , f 
^ — ^p-^y^p-^^Vj) .8 C.^j3 .C C./^O^ 
,?'H-4c?^^( ' _2 
(- ^gg-^ ^ f f •J' '^'■^"'^ C c . ^ 9 
JEquationes quarta, quinta, & fexta integrats prsbent fum« 
matorias quacfitas . 
In his fi coefficiens primi termini homogenei compara» 
tionis muitiph'cetur per — habebicur coefficiens fecundi. 
Superfluum eft advertere, integraie formuiarum, ubi adeft 
dependere ab iilis, ubi eft (^^'^ atque ita deinceps , donec 
deveniamus ad formulas continentes c{5°, qu^ num. V integra- 
funt . 
XX. De finibus & cofinibus hyperboI?cis eadem fere 
valent . Differentientur tres formulae y (p^ Sh . q jp ^ 
2 
jV (|:^ Sh, ^'(^ . C h.^' cp5jf (]p^ C h.^f , & fefe offerent tres xqua 
tiones i.* 
