C A P V T IX.

-7Z

C o r o 11. i.

380. Hae solutiones eodem fere redeunt, m-deque tria producta binarum formularum , avqualiaeruuntur: >

J ■ 4— c

Vel in literis p , q , r

p-+-n

q-t-r

C o r o 1 ]. 2 .

381. Si hae formulae in producta infinitaeuolunntur reperietur

P. > f P- 4-7 \ p-*-l-hr f

4'' r >— r>if r ' +-a '0(.-4^» r, )v»'-+-•

vnde patet tres litteras p , q , r \tcunque inter sepermutari posse, atque huic ternas il'as formulasconcludere licet.

Coroli. 3 .

382. Restituamus ipsas formulas integrales, etsequentia tr : a producta erunt inter le aequalia

x p ~' dx

n • / n

V(l~X n ) n -4 V{ I-X n ) n ~ r

x q ~'dx x q ~*~ r ~'dx

sn - •sir -

V ( I -x' / n ~ r V( l~X n ) n - p

s n */ n

x p ~'dx , x p + r -'dx

y< i-ar)*- r V(i-X*y-1

M m

Coroli. 4.