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# Title: Leibniz-Handschriften zur Mathematik LH 35, 12, 2
# Folio 127v, page id 00068195:0254
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HEEEM
s
q
49
C
3 + 4
3b
a12
pd. 9) ab 12
9 + 24 +16
12 2ab 1b2
 .. . 
BABC = ABEBC = AC DB = AD DB + CD D8. (ABrDC = AC)
Ergo BC =- AC DB t, BC2 = AC =  DB2,
1B
AB2
ACZ eDOZ AC= 9B2
adde: ABE
AB = AC DB et AB = ACZ DBZ
Bc
AC L DB= CBC2 + ACe DB2 AB
BC= AC DB C2
BCL
ABEBC2
aet
= 167 CB
EC
ABZ~ BCZ
BC2 ACE DB BC
ABE
AC DBBC=
AB BCZ
3CZ
Methodus Demonstrandi. 47. pmi 1t
facile in angulo semi recto, aut semisemrecto,
per Arithmeticam infinitorum, utendo ductibus
linearum in lineus soliquis, qquid impriu