Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

Table of figures

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[181] Fig. 3.E C D A * B
[182] Fig. 4.P Q O N M L * C R
[183] Fig. 5.C * V S X T Y
[184] Fig. 6.
[185] Fig. 7.
[186] Pag. 580.TAB. L.Fig. 2.R ♈ L D I T A N ♋ H G E P F K C Q O B M S
[187] Fig. 3.
[188] Fig. 4.N Q F C P L E A M H O D f
[189] Fig. 1.B A
[Figure 190]
[Figure 191]
[192] Pag. 626.TAB. LI.Fig. 1.F E D V S 30 20 10 C L G R H K P A M Z I O X B
[193] Fig. 2.L K O R E H N I S D G B C
[194] Fig. 3.A 16 15 14 13 12 11 10 9 B 8 7 6 5 4 3 2 1
[195] Fig. 4
[196] Fig. 5.
[197] Fig. 6.
[198] Fig. 1.
[199] Fig. 2.
[200] Fig. 3.
[201] Fig. 4.
[202] Fig. 5.
[203] Fig. 6.
[204] Fig. 7.
[205] Fig. 8.
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[208] Fig. 11.
[209] Fig. 12.
[210] Fig. 13.
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156429ET HYPERBOLÆ QUADRATURA. omnes ſeriei convergentis terminationem eodem modo eſſe
compoſitam ex terminis convergentibus primis quo ex termi-
nis convergentibus ſecundis, tertiis, vel quartis, &
c.
PROP. XI. THEOREMA.
Dico ſectorem circuli, ellipſeos vel hyperbolæ A B I P
11TAB. XLIII.
Fig. 1. 2. 3.
non eſſe compoſitum analyticè à triangulo
A B P &
trapezio A B F P.
Ponatur triangulum A B P a & trapezium A B F P b: ma-
nifeſtum eſt ex prædictis trapezium A B I P eſſe Vqab &

polygonum A B D L P {2 ab/a + Vqab}, item ſectorem A B I P eſſe
hujus ſeriei convergentis terminationem.
ut ex ſeriei termi-
nis auferantur ſigna radicis &
fractionis, pro a & b primis
ſeriei terminis convergentibus, hoc eſt pro triangulo A B P
&
trapezio A B F P ponantur a3 + a2 b & ab2 + b3; erunt-
que ſecundi ſeriei termini convergentes, hoc eſt trapezium
A B I P &
polygonum A B D L P, ba2 + b2 a & 2 b 2 a, di-
co ſeriei convergentis (cujus primi termini convergentes ſunt
a3 + a2b, ab2 + b3 &
ſecundi ſunt ba2 + b2 a, 2 b2 a) termina-
tionem non eſſe compoſitam analyticè a terminis a3 + a2 b,
ab2 + b3:
ſi enim componatur prædicta terminatio analyticè a
terminis convergentibus a3 + a2b, ab2 + b3;
componetur etiam
eadem terminatio analyticè &
eodem omnino modo à termi-
nis convergentibus ba2 + b2a, 2b2a;
& proinde eadem quan-
titas, nempe prædicta terminatio, eodem modo componitur
analyticè ex terminis a3 + a2b, ab2 + b3, quo componitur ex
terminis ba2 + b2a, 2b2a,
22
a3 + a2b # ab2 + b3.
ba2 + b2 a # 2b2a
ſed nulla quantitas poteſt
eodem modo analyticè com-
poni ex terminis a3 + a2b,
ab2 + b3, quo componitur
ex terminis ba2 + b2a, 2b2a, quod ſic demonſtro.
ſi analy-
ticè componeretur quantitas ex terminis a3 + a2b, ab2 + b3

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