Classify this triangle
2 answers:
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Let 
be the n'th term of the sequence.
so
is the first term, 
the second term and so on...
In a geometric sequence with
, and common ratio r, the terms are as follows:
.
.
that is, each term is its previous term times the common ratio r.
In our example
and 
so
Answer: r=0.75
so
In a geometric sequence with
.
.
that is, each term is its previous term times the common ratio r.
In our example
so
Answer: r=0.75