Mohon cara kerjanya juga di sertakan
Penjelasan dengan langkah-langkah:
Rumus suku ke-n
- Un = n² - 3n
U1 = 1² - 3(1) = 1 - 3 = -2
U2 = 2² - 3(2) = 4 - 6 = -2
U3 = 3² - 3(3) = 27 - 9 = 18
U4 = 4² - 3(4) = 16 - 12 = 4
U5 = 5² - 3(5) = 25 - 15 = 10
- Un = 1/2n + 6
U1 = 1/2(1) + 6 = 1/2 + 6 = 6,5
U2 = 1/2(2) + 6 = 1 + 6 = 7
U3 = 1/2(3) + 6 = 1,5 + 6 = 7,5
U4 = 1/2(4) + 6 = 2 + 6 = 8
U5 = 1/2(5) + 6 = 2,5 + 6 = 8,5
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