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# Title: Leibniz-Handschriften zur Mathematik LH 35, 3 B 15
# Folio 5v, page id 00068264:0010
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seu 7
A
Cubica.
ostendi alibi cum radio extrahenda est exformula
indeterminittii gradus, rem eo peduci posse, ut tantum opus sit extrahi
radicem. Cubicam ex formula in determinata secundi gradus
seu ut quaenatur (ZZ + bX + ac _) fiat.
el 2a
es
c
yZ + ab3 + aC = py + 3p2Za4 + 3pZ aa99 + a9 set que =aac
seu q= Vaac fiet aZ + a b = p 2Z + 3 pp Z + 3 pa a44, sex faciendo
d
p= aa: r fiet  a2
q + 3arZ + 3augqir seu aa ZZ + haarZ + 3ggrY
es
F
haar  seu R et e
Laa
p
= BZ = Bb
=Cga- Sartr -, 2aa491r - 4 aarb)
-1. Vg
et quia plicet facere b =0
3aaY -Y
a
a
2aa
sr - 6aarr 4aabr + 9a)
l
Quaniam autem licet facere b 20 hirc succedet extractio, et
=
t
seu
staa
fiet
(3) 11
=
1 = (6
a
Y - 3aar + r 13aar,: Eaa
g5 -B = (5) pt 1
s
5igetZ F 9 -1
(5) =1 5o-(spu1 (5.
3 
s
59+ 6) fo -
Dto S (S) Y juis nopo sosuorqual
B f muconpua torres sd alio 20H
df 95 - 6 sunon sumpisg 10
b sinon suognab js bf 1 Sod orad impesia juis d
rac
Et
dau
39-
1+
392+
et
s
py f B
4+ 1+
1t +
s
du
9(5) - 35-1
s
1
14
qu
uore
u
u9
3et
3-1
9.1 1
20l
7
H
11.1)
1y