Page 305 - Matematik Tambahan Tingkatan 4 KSSM

12 + 5. 3 tahun
3
(c)
13 6. 5.543 km
7. (2 5 – 2 ) cm
1 + 5 7 + 7 Latihan Intensif 4.3
2
2
8. (a) (b) cm 2
7 2 1. log 1 = 0, log 75 = 2.219
5 7
2. 2x + y – 3
Latih Diri 4.9
3. 2
1. (a) log 81 = 4 (b) log 128 = 7 4
3 2 4.
(c) log 125 = 3 (d) log 216 = 3 3
5 6
−4
4
2. (a) 10 = 10 000 (b) 10 = 0.0001 6. 2p – m – 1
2 (
3
7
(c) 2 = 128 (d) 4 = 64 7. log 2 + 1 )
3. (a) 0.9542 (b) 1.996 x
(c) –0.2375 (d) 6 8. y = 2x
(e) 4 (f) 4 9. 1 (3 + x – y)
(g) 5 2
−12
4. (a) x = 32 (b) x = 512 10. (a) 10 Watt (b) 31 : 25
(c) x = 256 (c) 140 desibel
5. (a) 138.78 (b) 24.68 11. (a) 2 500 000 (b) 3 729 561
(c) 5568.01 (d) 0.0004052 (c) Tahun 2095
(e) –0.002706 (f) 0.00002783
Latih Diri 4.14
Latih Diri 4.10 1. 3 minggu 2 hari
1. (a) 0.115 (b) 1.712 2. (a) 32 amp
(c) 2.366 (d) –0.712 (b) (i) 8 amp (ii) 2 amp
2. (a) 3 (b) 2 (c) 3 saat
(c) 2
Latihan Intensif 4.4
Latih Diri 4.11
1. (a) RM1 538.62 (b) 2.116 tahun
x
1. (a) log xy 2 (b) log b ( 3) 2. (a) 50 gram (b) 13219.2810 tahun
2 3. (b) 6.93 jam
y
16
x
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N
N
N
N
N
N
N
N
N
N

N
N
N
N
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N
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N
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N
N
N
N
N
(c) log xy 3 (d) log 4 ( ) LATIHAN PENGUKUHAN
2 3
y
(e) log m n 1. x = 0.4194
3 2
3
2. (a) 1 + q (b) 2p + q 2. n = 2
1 35 + 21
(c) (p + q) 3.
2 2
4. t = 0
Latih Diri 4.12 8
5.
1. (a) 2.8137 (b) 0.1550 12 + 8 2
(c) 1.7959 (d) –0.1475 6. (a) 59.05°C (b) 2.12 saat
2. (a) 2.7833 (b) 2.6309 7. 9 tahun
(c) 1.9820 3 2
2 3t 8. 2s + t
3. (a) (b)
5
t 2 9. x = , y = 2
2 + t 2 – 2t 2
(c) (d)
t t 10. 21.85 tahun
2a + 3b a – 2b
4. (a) (b)
2 3 BAB 5 JANJANG
3 + b
(c) Latih Diri 5.1
a + b
1. (a) 14, tambah 14 kepada sebutan sebelumnya.
Latih Diri 4.13
(b) 3 3 , tambah 3 3 kepada sebutan sebelumnya.
1. (a) 1.677 (b) 2.399 (c) (p – q), tambah (p – q) pada sebutan
(c) 1.011 sebelumnya.
2. (a) (b) −0.712 (d) log 2 , tambah log 2 kepada sebutan sebelumnya.

3
3
a
(c) 1.982 (d) 18.866 2. (a) Janjang aritmetik a
(e) 1.792 (f) 6.389, –8.389 (b) Bukan janjang aritmetik
3. 2 tahun (c) Bukan janjang aritmetik
4. 11 tahun (d) Janjang aritmetik
297