suku ke -14 barisan 15, 24, 35, 48, 63,.. adalah..
Matematika
ayu3329
Pertanyaan
suku ke -14 barisan 15, 24, 35, 48, 63,.. adalah..
1 Jawaban
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1. Jawaban musilah
U14 = a + ( n - 1 ) b
a = 15
B = 24- 15= 9
15 + ( 14- 1) 9
15 + 117 =132