Matematika

Pertanyaan

Tolong bantu please,
Tolong bantu please,

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1 Jawaban

  • a. Un = a + (n-1)b
    a = 3
    U3 = a + 2b
    7 = 3 + 2b
    4 = 2b
    b = 4/2
    b= 2

    b. U5 = a + 4b
    = 3 + (4×2)
    = 3 + 8
    = 11

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