x<br />
<br />
3<br />
<br />
x2 - 2 x + 6<br />
<br />
(1 + x 7) 2 (1 + ax)8<br />
a=<br />
<br />
1 + 10 x + bx 2 + ...<br />
<br />
5- 7<br />
70 + 5 7<br />
» 0,5586; b =<br />
» 41, 6144<br />
2<br />
2<br />
<br />
ì24, 21x + 2, 42 y + 3,85 z = 30, 24<br />
ï<br />
í2,31x + 31, 49 y + 1,52 z = 40,95<br />
ï3, 49 x + 4,85 y + 28, 72 z = 42,81.<br />
î<br />
<br />
Baøi<br />
<br />
3 -1<br />
» 0,3660<br />
2<br />
<br />
200<br />
» 115, 4701<br />
3<br />
<br />
1<br />
4<br />
<br />
S=<br />
<br />
194<br />
398<br />
; h=<br />
» 10, 9263<br />
3<br />
1261<br />
<br />
AB = 6 200 » 2, 4183; AC = 2 6 200 » 4,8366; AD = 3 6 200 » 7, 2548<br />
<br />
y=<br />
<br />
ì a1 = -2<br />
í<br />
îb1 = -1<br />
<br />
ìa2 = 0,5<br />
í<br />
îb2 = 4<br />
<br />
3x 2 - 4 x + 1<br />
2x + 3<br />
<br />
x2 y2<br />
+<br />
=1<br />
9<br />
4<br />
<br />
3x + 5 y = 4<br />
ì x1 » -1,5324 ì x2 » 2, 7257<br />
í<br />
í<br />
î y1 » 1, 7194 î y2 » -0,8354<br />
<br />
f ( x ) = cos 2 x + 3 sin x + 2<br />
<br />
a=<br />
<br />
2<br />
17<br />
, b = 0, c = 3<br />
3<br />
<br />
2<br />
ïì x - 2 y = 5<br />
í 2<br />
ïî y - 2 x = 5.<br />
<br />
ì x1 » 3, 4495 ì x2 » -1, 4495 ì x3 » -2, 4142 ì x4 » 0, 4142<br />
í<br />
í<br />
í<br />
í<br />
î y1 » 3, 4495 î y2 » -1, 4495 î y3 » 0, 4142 î y4 » -2, 4142<br />
<br />