Matematika

Pertanyaan

Suku ke-n dari barisan geometri 48, 24, 12... adalah

2 Jawaban

  • 48 , 24 , 12 , ...

    a = 48
    r = 24/48 = 1/2

    Sn = ar^(n - 1)
    Sn = 48(1/2)^(n - 1)
  • Chapter Rows and Rows
    Mathematics
    Grade 9 junior high

    "the nth th term of the sequence of geometry"

    Settlement

    a = 48
    r = U2 / U1   
      = 24/48  
      = 1/2

    Un = a. r ^ n - 1    
          = 48. 1/2 ^ n - 1     
         

    I hope this helps!!!

Pertanyaan Lainnya