How do you write an equation for the nth term of the geometric sequence $36,12,4...$ ?

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Answer 1 · 2016-10-14T02:30:15

$t_n = a xx r^(n - 1)$

We can determine the value of $r$ by using the formula $r = t_2/t_1$ .

$r = t_2/t_1 = 12/36 = 1/3$

So,

$t_n = 36 xx (1/3)^(n - 1)$

Hopefully this helps!

How do you write an equation for the nth term of the geometric sequence 36,12,4...36,12,4...?