fromabig fromabig
  • 12-05-2017
  • Mathematics
contestada

Which is the recursive formula for finding the nth term in a geometric sequence?

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mreijepatmat
mreijepatmat mreijepatmat
  • 15-05-2017
Let see how to build up this formula that is going to give that term of rank n

1st term =a₁  & r is the ratio

1st a₁   = a₁  x  r°
2nd a₂  = a₁  x  r¹
3rd a₃  =  a₁  x  r²
4th a₄   = a₁  x  r³
5th a₅   = a₁  x  r⁴
.......................
.......................
nth : a(n) = a₁  x r⁽ⁿ-¹)

Note when that the subscript of a is the same as the exponent mines 1


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