Suku 12 N barisan aritmatika 94,90,86,82
Matematika
pr69387
Pertanyaan
Suku 12 N barisan aritmatika 94,90,86,82
1 Jawaban
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1. Jawaban AlfandyGulo
Deret aritmatika
Nilai a = 94
Nilai b = 90 - 94 = -4
Maka, suku ke 12 :
U12 = a + (n-1)b
U12 = 94 + (12-1)(-4)
U12 = 94 + (11)(-4)
U12 = 94 - 44
U12 = 50