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# Title: [Johannis Wallis S. T. D. Geometriae Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis] Johannis Wallis S. T. D. Geometriæ Professoris Saviliani, in Celeberrima Academia Oxoniensi, De Algebra Tractatus; Historicus & Practicus. Anno 1685 Anglice editus; Nunc Auctus Latine. Cum variis Appendicibus; Partim prius editis Anglice, Partim nunc primum editis (shelfmarks Leibn. Marg. 100:1/2, Stück 2; Leibn. Marg. 100:1/2)
# Folio 198, page id 851708439:0222
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d li le Li de d
Velus Dotito a== - e F B, Adeoque
eece - 4becc = 6bb ec = 4bbbc. + 6bbb = + aa a a d
=4becc = +2bb cc + T2 bbbc = 4 bbbb = - 4 ba 4 a5 = = cc0c.
Fit cece -6bbec + 8bbb0 = +c05c + 36686. Cujus Radix e = - a t b.
XVI. Aquatio a aa a = 4b aa a = - 6666.
PoTito a = F e Fb; Adeoque
cece +4becc+ 6bb ec + 4bbbc = BBbb = f aaaa
=4b eec = 22bb ec = +2. bbbe = 4bbbb = - 4 Ba445 = = 6606.
Fit cecc = 6bBeC = 8BBBC = = eccc = 3bbBB. Cujus Racis, e = + a- b.
Veh Potico a = - c. + b; Adeoque
eece - 4becc + 6bvec = 4bbbc = Bbbb = + aaaa
+ 4b eec = 12 bbec + 126bbc - 4 bbbb = = 4 ba a 45 = = ccc6.
Fit eecc =6bbec. + 8bb00 = = cc05. + 36b60. Cujus Radix e = a + b.
XVII. Aquacio aaaa + 4 ba4 a = = 6506.
PoTto a = e - b; Adeoque
cece = 4becc + 6bbec = qBBBC. L BBBD = = aa aa
=4bec0 = 12bb ec + 12. bbbe - 4bbbb = + 4b aa a5 = 6600.
Fit eecc = 6bbec + 8bbBC = = c505. + 3bbbb. Cujus Radix, e = + a + B.
XVIHI. Aquatio aa aa + 4 baa a + d a d a = =550C.
POFIto a = e -B: Adeoque
eeec = 4becc = 6bb eC = 4bbb C + b0bb = + aaaa3
1 +4bec0 - 22bb ec + 12bbbC - 4b6bb = + 4baa a = =CCC6.
 adde- bddd = + addad
Fit cecc -6bbeC + 8bbb0 = + c00c. Cujus Radix e = + a + v.
 addo, + 3bbbb
bddd
ZIX. A quatiO aa a = 4 Baa 4 - ddda = + c5C0.
Posito a = - c + b: Adeoque
cece = 4beec + 6bb ec = 4bbBc = B0bb = + aca a)
F 4bcec - +2bb CC = 12bbbC = 4Bbbb = = 4baa ac = = CCCC.
adde = bdda =- addad
Fit cece =6bbec + 8bbb0 = f cccc. Cujus Radi e = - a + b.
addc + 3bbbb
 badd BA
Vel, Polico a = = c + 3, Adeoque
ap. L I.
becc + 4be00F 666e6+ 4bbb c + bb00 = 1 aal a)
4beeC = 12bbce - 12bbbC - 4b66b = = 4 baca = + C666.
dade - bdd== dd d a)
Fit
d
XV
edine
in
ee