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# Title: Leibniz-Handschriften zur Mathematik LH 35, 13, 2c
# Folio 69r, page id 00068199:0137
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sit figura cujus abscissa X, ordi nata y. et
quaesita du, tunc du
datur
et
da
moax dabitur etiam xdus, adeoque
ydae ut notum
jam ut sxcofax
ligurai irsarum
sit momentam ipsius co ex vertice, appiarum
dX
i, et vero hoc detur daro momento
omni complementi hujus figurae, seu
aeqoa
sed data xex deo. Ergo si summa
omnium XX per co expressarum haberi
potest haberi etiam poterit summa
omnium y per X expressarum, t vel
2
homnium x per y expressarum
A a aequ ex
u
ex
n
l+ dl
n
2d
n
d
(1)
4) Idue
tum
stdm
2Im
+esI dm + ndl) = sma dl
2m sml
sit m ago aa + b XX et laequ aa + cxy
et 
m
H L m a
in M(+)am
Sa dst aego =1.. ds - aego=
ds-
st
qug. frer am aequ. 2bX dx: et daego rex
et si S aequ. g. erit co aequ. ) aa + CXX,  = a a +l 2CK
V
Ergo datas omni m ex co. daturperx
eH
es 2aa + bx K Vaa +bxx. tex
otra. Item datis sibus Cok 2Z X
as
aego
ya1