jawaban
15.gambr no 1
17.gambr no 2
22.**Jawaban:**
A. 17
**Penjelasan dengan langkah-langkah:**
a = 4
a+b = 12
4+b = 12
b = 12-4
b = 8
Un = a + (n-1)b
132 = 4 + (n-1)8
132 = 4 + 8n - 8
132 = 8n - 4
136 = 8n
n = 17
23.**Penjelasan dengan langkah-langkah:**
U5 = a + 4b = 29
U7 = a + 6b = 41
-2b = -12
## b = 6 (beda)
a + 24 = 29
## a = 5 (suku pertama)
27.gambar no3
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jawaban
15.gambr no 1
17.gambr no 2
22.**Jawaban:**
A. 17
**Penjelasan dengan langkah-langkah:**
a = 4
a+b = 12
4+b = 12
b = 12-4
b = 8
Un = a + (n-1)b
132 = 4 + (n-1)8
132 = 4 + 8n - 8
132 = 8n - 4
136 = 8n
n = 17
23.**Penjelasan dengan langkah-langkah:**
U5 = a + 4b = 29
U7 = a + 6b = 41
-2b = -12
## b = 6 (beda)
a + 24 = 29
## a = 5 (suku pertama)
27.gambar no3