The explicit rule of the geometric sequence 9,6,4,83 is an = 9 × 2/3^(n - 1)
How to find explicit rule of a geometric sequence
The explicit rule of a geometric sequence is given by;
an = ar^(n - 1)
where,
- a = first term
- r = common ratio
- n = number of terms
9,6,4,83....
So,
a = 9
r = 6/9 = 2/3
Therefore,.
an = a×r^(n - 1)
an = 9 × 2/3^(n - 1)
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