Full text: [Allgemeine Analysis] Theoria combinationis observationum erroribus minimis obnoxiae (3. Band)

454 
NACHLASS. 
und das Product 
54. {(1 — 2ic 3 -j- . .)* + (! —2®+ . ,) ä j j(1 —|— 2o? 3 —f- , ,) 2 —(1 + 2® + , . 
= 4^1 = 4{1— 2® 6 +2® M -~ . ,) 2 
) 2 ! 
Aus Formel 23 folgt 
55. x-\-x 9 -\-x 25 + >.=x. 1-j-ic 8 .1 + # 16 . ]+x u ...(l—x 19 —x 32 +x S0 +x n2 —..) 
f Exponent = □ — 1 
Aus Formel 26 folgt 
56. x 3 -\-x 21 -\-x 1:> -\-.. = 1—f-a; 8 .1—{—a? 16 .1 —{—¿i? 24 ... (x 2 —x w —a? 42 -f-a; 66 -|-# 130 —..) 
• t .s ' ' .. 
oder 1-j-ic 8 . l-f-# 16 * 1 —|—£c 24 . . . = A, x 2 = t 3 gesetzt 
55. x -\-x 9 -\-x 25 ~\- . . = A{t—t 25 — . . .) 
56. aj 3 +<2? 27 -j-^ 75 4- . . = A(* 4 —i 16 —¿ 64 +i 100 +i 196 — . . .) 
Nun folgt aus der Factorenzerlegung in 24 sehr leicht, wenn man statt x, it 
statt y, i setzt 
it— it^-\-it 19 —it 25 —¿¡f 49 -J-. . 
= it. 1 — t 3 . l + i w .l+i 21 .1— t 33 ... i-f-i 18 . l —i 36 . l-)-i 54 ., . 
Also aus 55 — 56 
57. (#-j-# 9 -+-<r i5 -j-. .) — (a? 3 + ^ 27 -|-^ 75 +. .) 
= X. 1 — XX. 1 —(— «2? 1 ° . 1 -\-X U . 1—x 22 . 1 ¿r 26 . . . 
Xl+a? 12 .1 —x 2i . 1 -(-¿r 36 . . . 1 -{-x 8 . l-h# 16 . l -j-# 24 .. . 
Und so sehr leicht 
58. (¿t?+# 9 -|-# 25 + . .]-{-[x 3 -j-x 21 ^-x 73 -{- . .) 
= X.l -\-XX. 1 —X 10 , 1 —# 14 . 1 —(—o? 22 .1 -f-# 26 . . . 
Xl -\-x n . l ~ x 2i . l -\-x 39 . . . i+* 8 .i+a? 16 .l+.* 24 . . . 
Also durch Multiplication
	        
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