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8 1 = 3
8 2 = 5
8 3 = 7
Dan seterusnya,
Diberikan
a = 3 (Suku awal)
b = 2 (Perbedaan / selisih antar suku barisan aritmatika)
Lalu, diminta 8 2013
Maka,
U₂₀₁₃ = a + (2013-1)b
= 3 + 2012 x 2
= 3 x 4024
= 4.027 buah
Maka, pada susunan 8 2013, terdapat 4.027 persegi