Penjelasan dengan langkah-langkah:
a = -3
b = 0 - (-3) = 3
---------------------
Un = a + (n - 1)·b
U25 = -3 + (25 - 1)·3
U25 = -3 + 24·3
U25 = -3 + 72
U25 = 69
Jawaban:
B = U2 - U1 = 0 - (-3) = 3
Un = a + (n - 1)B
U25 = -3 + (25 - 1)3
= -3 + 24(3)
= -3 + 72
= 69
Nilai U25 adalah 69
a = Suku Pertama
b = beda
n = banyak suku
Un = Suku ke-n
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Penjelasan dengan langkah-langkah:
a = -3
b = 0 - (-3) = 3
---------------------
Un = a + (n - 1)·b
U25 = -3 + (25 - 1)·3
U25 = -3 + 24·3
U25 = -3 + 72
U25 = 69
Jawaban:
B = U2 - U1 = 0 - (-3) = 3
Maka:
Un = a + (n - 1)B
U25 = -3 + (25 - 1)3
= -3 + 24(3)
= -3 + 72
= 69
Kesimpulan:
Nilai U25 adalah 69
» Keterangan:
a = Suku Pertama
b = beda
n = banyak suku
Un = Suku ke-n