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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 200, page id 851708439:0224
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A L G F B R A.
CaD. L..
Fit cece = 6bbec +8b6b0 = +0556. Cujus radix, e = = a +. b.
 fsec = 20ffe. = 3bbbb
 dade - bbff
Lbadd
Vel, Posiro a = f e F b. Adeoque
eece +4beec + 6bb ec + 4bbbc- F bbbb = + a a a a)
4BCCC = +2. bbC C = +2 bbbC - 4b0bb = - 4baaa  = + 566C.
L fsec + 2bffe + bBFf = + ffaaC
dd de - b d d d - - d d d a)
Fit cece -6bbec -8b6b0 = + 6c0c. Cujus radix e = F a - b.
+ fsec + 2bffe + 366bb
ddde - bbff
Bddd
ZXIV. Aquacio, aa aa = 4 b a a a + 55a a = d d d a = = c0Cc.
Potito a = + c + b. Adeoque
eecc + 4beec. + 6bbcc + 4bbbc. + bbbb = = aaaa
4bCCC == 12 b b ec -- 22. bbbc -- 4bbbb = - 4baaa (
+ fsec + 2bffC + bbff = + ffaa = = c6C6.
adde - bd dd - d d d a)
Fit ecce = 6bb ec - 8bbbe = = c560. Cujus radis, c =. + a - b.
+ fsec + 2bffe + 366bb
adde = bBFF
Bada
Vet volico a = = c + B. Adéoque
eecc = 4Becc. + 6BBeC = 4bbbc. = BBBB = = a a. a. a
= 4b eec = +2 bb ec = 12. bbb c - 4 66bb = - quaaa
+ fsec = 2bffe + bbff = = f5aa = - cC0C.
+ ddde - b d d d. - - d d da)
Fit cecc - 5bb ec + 8bBBC = - 550c. Cujus radix, e = = a. + b.
ffec - 2bffe = 36bbb
 dddc = bbff
 bada
ZXV. AE quatio a a aa = 4ba aa - 55 a a = d 2 d a = + 65c6.
Potito a = F C -B: Adeoque
eecc - 4be ec = 6bbec = 4bbbc = BBBB = + a a a a
 4 bCcc - 12 bb c c. + T2bbbc - 4bbbb = + 4 beac
ffec + 2bffC -- b
fa a
 adde = b dd a + ad d a)
= + 6606.
Fit cecc =6bbec +8bbBC = FccCC. Cujus radis, e = + a = b.
00 + 2bffc - 3666b
dade + bBff
Fbd d a
XXVI. Rquaio au a a. + 4baa a + f5 ac - adda = F 5500.
Polico, a = + e -- b: Adeoque
eCet
die