Jawaban Tugas Matematika tanggal 12 November 2013..
Selamat mengerjakan
(1) (x4 +
3x2 + 7x – 8) : (x + 2)
x + 2 | x4 +
0x3 + 3x2 + 7x – 8
x = -2 | 1 +0
+3 +7 -8
| -2
4 -14 14 +
1 -2
7 -7 6
S = 6 ,
h(x) = x3 – 2x2 + 7x - 7
(2) (4x5 +
x3 – 4x2 + 1) : (x – 1)
X – 1 | 4x5
+ 0x4 – x3 – 4x2 + 0x + 1
X = 1 |
4 + 0 - 1
-4 +0 +1
| 4 4
3 -1 -1 +
4 4 3
-1 -1 0
S = 0 ,
h(x) = 4x4 + 4x3 + 3x2 – x – 1
(3) (x5 –
3x2 + 10) : (x + 2)
X + 2 | x5 + 0x4 + 0x3
– 3x2 + 0x + 10
X = -2 | 1 +0
+0 -3 +0
+10
| -2
4 -8 22
-44 +
1 -2 4 -11 22
-34
S = -34 , h(x) = x4 – 2x3 + 4x2
– 11x + 22
(4) (2x4 – 3x3 + 5x -2) : (x – 2)
x– 2 | 2x4 – 3x3 + 0x2
+ 5x – 2
x = 2 | 2 -3
+0 +5 -2
| 4 2
4 18 +
2 1
2 9 16
S = 16 ,
h(x) = 2x3 + x2 + 2x + 9
(5) (5x3 +
4x2 – 3x – 2) : (x + 3)
x + 3 | 5x3 + 4x2 – 3x – 2
x = -3 | 5 +4
-3 -2
| -15
33 -90 +
5 -11
30 -92
S = -92 , h(x) = 5x2 – 11x + 30
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