tuliskan 5 suku pertama berikut Un=n³2n²+5
Matematika
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Pertanyaan
tuliskan 5 suku pertama berikut Un=n³2n²+5
1 Jawaban
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1. Jawaban Anisazhf
U(n) = n^3 × 2n^2 + 5
U(1)
= (1)^3 × 2(1)^2 + 5
= 1 × 2 + 5
= 7
U(2)
= (2)^3 × 2(2)^2 + 5
= 8 × 8 + 5
= 69
U(3)
= (3)^3 × 2(3)^2 + 5
= 27 × 18 + 5
= 496 + 5
= 501
U(4)
= (4)^3 × 2(4)^2 + 5
= 48 × 32 + 5
= 1536 + 5
= 1541
U(5)
= (5)^3 × 2(5)^2 + 5
= 125 × 50 + 5
= 6250 + 5
= 6255