Penjelasan dengan langkah-langkah:
5, 8, 11, 14, 17
a = 5
b = U2 - U1 = 8 - 5 = 3
Jumlah 100 suku pertama
Sn = n(2a + (n - 1)b)/2
S100 = 100(2(5) + (100 - 1)3)/2
S100 = 100(2×5) + 99(3))/2
S100 = 100(10 + (99×3))/2
S100 = 100(10 + 297)/2
S100 = 100(307)/2
S100 = (100×307)/2
S100 = 30.700/2
S100 = 15.350
Detail jawaban
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Penjelasan dengan langkah-langkah:
5, 8, 11, 14, 17
a = 5
b = U2 - U1 = 8 - 5 = 3
Jumlah 100 suku pertama
Sn = n(2a + (n - 1)b)/2
S100 = 100(2(5) + (100 - 1)3)/2
S100 = 100(2×5) + 99(3))/2
S100 = 100(10 + (99×3))/2
S100 = 100(10 + 297)/2
S100 = 100(307)/2
S100 = (100×307)/2
S100 = 30.700/2
S100 = 15.350
Detail jawaban