Asked by Anonymous
Given the geometric sequence: 19, 17111, 1539121, ⋯
Find an explicit formula for an, where the first term is a1=19.
an=
Find a6=
Find an explicit formula for an, where the first term is a1=19.
an=
Find a6=
Answers
Answered by
Steve
The sequence is not geometric!
17111/19 = 900.5789
1539121/17111 = 89.9492
the ratio is not constant. Fix it, find the common ratio r, and then
a6 = 19*r^5
17111/19 = 900.5789
1539121/17111 = 89.9492
the ratio is not constant. Fix it, find the common ratio r, and then
a6 = 19*r^5
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