Matematika

Pertanyaan

tuliskan 5 suku pertama berikut Un=n³2n²+5

1 Jawaban

  • 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

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