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Joseph Louis de Lagrange - Œuvres, Tome 3.djvu/768
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TABLE IV.
Formule des nombres proposés
…
t
2
−
a
u
2
.
{\displaystyle \ldots t^{2}-au^{2}.}
Formule de leurs diviseurs impairs, et premiers à
a
…
p
y
2
±
2
q
y
z
−
r
z
2
{\displaystyle a\ldots py^{2}\pm 2qyz-rz^{2}}
=
4
a
n
+
b
.
{\displaystyle =4an+b.}
V
A
L
E
U
R
S
D
E
V
A
L
E
U
R
S
C
O
R
R
E
S
P
O
N
D
A
N
T
E
S
D
E
⏞
{\displaystyle {\begin{array}{|c|c|}\hline \\\scriptstyle {\mathrm {VALEURS\ DE} }&\scriptstyle {\mathrm {VALEURS\ CORRESPONDANTES\ DE} }\\&\overbrace {\qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \qquad \ \ \quad \qquad \qquad \qquad \qquad } \end{array}}}
a
p
b
1
1
±
1
2
±
1
±
1
3
{
1
1
−
1
−
1
5
±
1
±
1
,
±
9
6
{
1
1
,
−
5
−
1
−
1
,
5
7
{
1
1
,
9
,
−
3
−
1
−
1
,
−
9
,
3
10
{
±
1
±
1
,
±
9
±
2
±
3
,
±
13
11
{
1
1
,
5
,
9
,
−
7
,
−
19
−
1
−
1
,
−
5
,
−
9
,
7
,
19
13
±
1
±
1
,
±
3
,
±
9
,
±
17
,
±
23
,
±
25
14
{
1
1
,
9
,
11
,
25
,
−
5
,
−
13
−
1
−
1
,
−
9
,
−
11
,
−
25
,
5
,
13
15
{
1
1
,
−
11
−
1
−
1
,
11
3
7
,
−
17
−
3
−
7
,
17
17
±
1
±
1
,
±
9
,
±
13
,
±
15
,
±
19
,
±
21
,
±
25
,
±
33
19
{
1
1
,
5
,
9
,
17
,
25
,
−
3
,
−
15
,
−
27
,
−
31
−
1
−
1
,
−
5
,
−
9
,
−
17
,
−
25
,
3
,
15
,
27
,
31
21
{
1
1
,
25
,
37
,
−
5
,
−
17
,
−
41
−
1
−
1
,
−
25
,
−
37
,
5
,
17
,
41
22
{
1
1
,
3
,
9
,
25
,
27
,
−
7
,
−
13
,
−
21
,
−
29
,
−
39
−
1
−
1
,
−
3
,
−
9
,
−
25
,
−
27
,
7
,
13
,
21
,
29
,
39
23
{
1
1
,
9
,
13
,
25
,
29
,
41
,
−
7
,
−
11
,
−
15
,
−
19
,
−
43
−
1
−
1
,
−
9
,
−
13
,
−
25
,
−
29
,
−
41
,
7
,
11
,
15
,
19
,
43
26
{
±
1
±
1
,
±
9
,
±
17
,
±
23
,
±
25
,
±
49
±
2
±
5
,
±
11
,
±
19
,
±
21
,
±
37
,
±
45
29
±
1
{
±
1
,
±
5
,
±
7
,
±
9
,
±
13
,
±
23
,
±
25
,
±
33
,
±
35
,
±
45
,
±
49
,
±
51
,
±
53
,
±
57
30
{
1
1
,
19
,
49
,
−
29
−
1
−
1
,
−
19
,
−
49
,
29
2
17
,
−
7
,
−
13
,
−
37
−
2
−
17
,
7
,
13
,
37
{\displaystyle {\begin{array}{|l|}&{\begin{array}{c|r|l}\ \ \quad a\ \quad &\quad p\ \quad &\qquad \qquad \qquad \qquad \qquad \qquad b\quad \qquad \qquad \qquad \qquad \qquad \\\hline \\1&1\quad &\pm 1\\2&\pm 1\quad &\pm 1\end{array}}\\&{\begin{array}{cl|l}\quad 3\ \ \ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1\\-1\quad \,&-1\end{array}}\right.\\\end{array}}\\&{\begin{array}{c|r|l}\,\quad 5\ \ \quad &\ \pm 1\quad &\pm 1,\pm 9\end{array}}\\&{\begin{array}{cl|l}\quad 6\ \ \ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,-5\\-1\quad \,&-1,5\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 7\ \ \ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,9,-3\\-1\quad \,&-1,-9,3\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 10\ \,&\left\{{\begin{array}{r|l}\pm 1\quad &\pm 1,\pm 9\\\pm 2\quad &\pm 3,\pm 13\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 11\,\ &\left\{{\begin{array}{r|l}1\quad &\ \ \ 1,5,9,-7,-19\\-1\quad &-1,-5,-9,7,19\end{array}}\right.\\\end{array}}\\&{\begin{array}{c|r|l}\quad 13\ \quad &\ \pm 1\quad &\pm 1,\pm 3,\pm 9,\pm 17,\pm 23,\pm 25\end{array}}\\&{\begin{array}{cl|l}\quad 14\,\ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,9,11,25,-5,-13\\-1\quad \,&-1,-9,-11,-25,5,13\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 15\ \,&\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,-11\\-1\quad \,&-1,11\\3\quad \,&\ \ \ 7,-17\\-3\quad \,&-7,17\end{array}}\right.\\\end{array}}\\&{\begin{array}{c|r|l}\quad 17\ \quad &\ \pm 1\quad &\pm 1,\pm 9,\pm 13,\pm 15,\pm 19,\pm 21,\pm 25,\pm 33\end{array}}\\&{\begin{array}{cl|l}\quad 19\,\ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,5,9,17,25,-3,-15,-27,-31\\-1\quad \,&-1,-5,-9,-17,-25,3,15,27,31\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 21\,\ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,25,37,-5,-17,-41\\-1\quad \,&-1,-25,-37,5,17,41\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 22\,\ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,3,9,25,27,-7,-13,-21,-29,-39\\-1\quad \,&-1,-3,-9,-25,-27,7,13,21,29,39\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 23\,\ &\left\{{\begin{array}{r|l}1\quad \,&\ \ \ 1,9,13,25,29,41,-7,-11,-15,-19,-43\\-1\quad \,&-1,-9,-13,-25,-29,-41,7,11,15,19,43\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 26\,\ &\left\{{\begin{array}{c|l}\pm 1\quad \,&\pm 1,\pm 9,\pm 17,\pm 23,\pm 25,\pm 49\\\pm 2\quad \,&\pm 5,\pm 11,\pm 19,\pm 21,\pm 37,\pm 45\end{array}}\right.\\\end{array}}\\&{\begin{array}{c|ll}\quad 29\ \quad &\ \pm 1\ &\left\{{\begin{array}{l}&\pm 1,\pm 5,\pm 7,\pm 9,\pm 13,\pm 23,\pm 25,\pm 33,\pm 35,\\&\pm 45,\pm 49,\pm 51,\pm 53,\pm 57\end{array}}\right.\\\end{array}}\\&{\begin{array}{cl|l}\quad 30\ \,&\left\{{\begin{array}{c|l}1\,\quad &\ \ \ 1,19,49,-29\\-1\quad \,&-1,-19,-49,29\\2\quad \,&\ \ \ 17,-7,-13,-37\\-2\quad \,&-17,7,13,37\end{array}}\right.\\\end{array}}\\\hline \end{array}}}