Jawaban:
Lima suku pertama dari rumus Un = n (n + 1) adalah 2, 6, 12, 20, 30
Penjelasan dengan langkah-langkah:
Un = n (n + 1)
U1 = 1 (1 + 1)
= 1 (2)
= 2
U2 = 2 (2 + 1)
= 2 (3)
= 6
U3 = 3 (3 + 1)
= 3 (4)
= 12
U4 = 4 (4 + 1)
= 4 (5)
= 20
U5 = 5 (5 + 1)
= 5 (6)
= 30
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Jawaban:
Lima suku pertama dari rumus Un = n (n + 1) adalah 2, 6, 12, 20, 30
Penjelasan dengan langkah-langkah:
Un = n (n + 1)
U1 = 1 (1 + 1)
= 1 (2)
= 2
U2 = 2 (2 + 1)
= 2 (3)
= 6
U3 = 3 (3 + 1)
= 3 (4)
= 12
U4 = 4 (4 + 1)
= 4 (5)
= 20
U5 = 5 (5 + 1)
= 5 (6)
= 30