Full text: Appeltauer, Ignatius: Elementorum matheseos purae pars prima continens algebram

120 
eam multiplicetur. E. g. 2VaV4a 
3a 2V(bc)=zVIa (b-c))-V27a 6(b+c)); 
2 
8. 9 
1 
) 
/a + ba 
(a—br).y 
VI(a—ba) (a+br)) 
a—bx 
N(a2—b2x2) 
249. §. Si radix ex quantitate radicali, 
coefficiente rationali affecta, extrahenda esset ; 
ea, translato prius chefficiente post signum suae 
quantitatis, juxta §. 238. exprimi poterit. Ni 
Mirum: 
7 
n(n 
N. 
Navb)-VVarb))-Vanb. Exempla: 
VzuVgb)=V(23a3. 50)- V(4oa3b). 
zaVzbVge)) V(zal(zibe ge)) 
12 
V(2tab. 32b2. 5c)- V(2880. abb2c). 
250. §. Ex f= Van et g=Vbr; (proinde 
fm 
fr  d g. 
— bv, sequitur esse an 
(8 
Man 
( N 
; seu, restitutis valoribus 
r hinc 
922 
MA7 
Var 
ipsorum f et g, m 
ergo radix ex 
Vbr 
quoto duarum quantitatum aequatur quoto simi 
lium radicum ex iisdem quantitatibus; vel radix 
ex fractione, aequalis est fractioni, cujus ambo
	        
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