suku ke-10 barisan 4,9,14,19... adalah..
Matematika
virashania2
Pertanyaan
suku ke-10 barisan 4,9,14,19... adalah..
1 Jawaban
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1. Jawaban unknown82
U1 = a = 4
U2 = a+b = 9
b = 9 - a = 9 - 4 = 5
U10 = a + 9b = 4 + 9x5 = 4 + 45 = 49