Matematika

Pertanyaan

Suku 12 N barisan aritmatika 94,90,86,82

1 Jawaban

  • Deret aritmatika

    Nilai a = 94
    Nilai b = 90 - 94 = -4

    Maka, suku ke 12 :

    U12 = a + (n-1)b
    U12 = 94 + (12-1)(-4)
    U12 = 94 + (11)(-4)
    U12 = 94 - 44
    U12 = 50

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