Jawaban:
ini jawabanya silahkan di tulis ya
400
Penjelasan dengan langkah-langkah:
Sn = n/2 (a + Un)
Un = a + (n - 1) b
S20?
S20 = 20/2 (2 + U10)
U10 = 2 + (10-1) 4
U10 = 2 + 36
U10 = 38
S20 = 10 (2 + 38)
S20 = 10 (40)
S20 = 400.
jadiin terbaik..Daffa
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Jawaban:
ini jawabanya silahkan di tulis ya
Jawaban:
400
Penjelasan dengan langkah-langkah:
Sn = n/2 (a + Un)
Un = a + (n - 1) b
S20?
S20 = 20/2 (2 + U10)
U10 = 2 + (10-1) 4
U10 = 2 + 36
U10 = 38
S20 = 10 (2 + 38)
S20 = 10 (40)
S20 = 400.
jadiin terbaik..Daffa