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# Title: Leibniz-Handschriften zur Mathematik LH 35, 13, 2c
# Folio 121r, page id 00068199:0241
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si pro X: a sumas S+X: X et pro y: a sumas dz: v
fint x dyidx = Z: V Malores substitu endo in aequave
duta habemus has tres rationes Hanc aeq. diferentiando
tollatur saz: V, et Eabitur, dv: dZe, v: Z, et sdz: 4
sed nihilo tunc melius res se habebit
d, X sxdy = Xxdy + dxsedy
dysedus = ex sxdu = (xxdy
du sydx = y Sydx - syydx y = Sextbxx+ ) ex
d. Ny dx = xyax + dx sydx
dxsydx = X sydx - (Xydx
d. Z Sydx = Zydx + dz sydx
dques
e
ydx = Z Sydx - dx sytx
sit 7= sax: a et y =  Pab + Cx + XX
yy 2 XXvD + 2 2abxv + aabb: aa seu
= bb + Cx + XX et fiet X∞V +2abV = aac + aax
seu X = 2ab aac - 2ab:, vr - aa
et y = XV + ab,: a
a
V
= 
1+X.
1aq. + + XX ar+ XX
ar+ XX aqta +XX
+X = VxV ax -
VGX +XX
1ab + xx
ab + gXX
a
qu +
ab + hXX =  aer: fit aab + ahXY  = ab y+ quxy
ab +gxx  a et XF aab = ab y,: an -buq
ax = (ah -y9) abdy f (aab - abus) gdy
ah - 99) 2 H(atbuabus,:, ah - y9)