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Verified answer
10 baris bilanganYaitu 4,6,8,10,12,14,16,18,20,22
Bahasan : Barisan Aritmatika
Jawaban : Banyaknya Bilangan = 10
Langkah - langkah :
Un = a + (n - 1)b
a = 4
b = 6 - 4 = 2
22 = 4 + (n - 1) 2
⇔ 4 + (n - 1)2 = 22
4 + 2n - 2 = 22
2n = 20
n = 10