Page 80 - TUTORIAL MATEMATIKA IPA KELAS XI-2

SUKU BANYAK
3
3
4
4
14. 2 − +3 −1 = 2 − +3 −1
2
−3 +2 ( −2)( −1)
Cara Horner bertingkat
2 2 -1 0 3 -1

4 6 12 30 +
1 2 3 6 15 29 → sisa 1

2 5 11 +
2 5 11 26 → sisa 2
2
Hasil bagi = 2 + 5 + 11 dan sisa = 26( − 2) + 29 = 26 − 23

4
2
3
2
4
3
15. − 2 + − 5 +7 → sisa = (−1) − 2. (−1) + (−1) − 5. (−1) + 7 = 16
+1

3
2
3
2
1
3
1
1
16. − + 4 + − 1 → sisa = − ( ) + 4. ( ) + − 1 =
2 − 1 2 2 2 8

4
2
17. −16 −10 → sisa = − 16 − 10 = −10 → − 16 = 0
2
4
4
2
−
2
2
2
→ ( − 16) = ( − 4)( + 4) → = −4, = 0, = 4

3
18. (2) = . 2 − 3.2 + 2 = 10 − 6 = 14 → = 2
3
(−3) = 2. (−3) − 3. (−3) + 2.2 = −41

4
3
2
2
3
19. (−2) + (−2) − 2. (−2) + 1 = (−2) + 3. (−2) − 6(−2) + . (−2) + 5
→ 1 = −27 − 2 → 28 = −2 → = −14

3
4
20. ( ) = + − 2
2
3
2
3
( ) = + 2 + 2 + 2 = 1 → + 2 + 2 + 1 = 0 → = −1
3
4
( ) = (−1) = (−1) + (−1) − 2 = −2

5
5
21. (2022) = 2022 + 2022 − 1 = 2 → 2022 + 2022 = 3
5
5
(−2022) = (−2022) − 2022 − 1 = −2022 − 2022 − 1
5
= −(2022 + 2022 ) − 1 = −3 − 1 = −4

22. (2022) = (−2022)
6
4
4
6
→ 2022 + 2022 + 2022 − 2022 = (−2022) + (−2022) − 2022 − 2022
6
6
4
4
→ 2022 + 2022 + 2022 − 2022 = 2022 + 2022 − 2022 − 2022
→ 2022 + 2022 = 0 → 4044 = 0 → = 0

LEARNING IS FUN 79