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Write the first five terms of each of the following sequences whose nth terms are:
$ a_{n}=3^{n} $
Given:
\( a_{n}=3^{n} \)
To do:
We have to find the first five terms of the given sequence.
Solution:
$a_n=3n+2$
Taking $n=1$, we get
$a_1=3^{1}=3$
Taking $n=2$, we get
$a_2=3^{2}=9$
Taking $n=3$, we get
$a_3=3^{3}=27$
Taking $n=4$, we get
$a_4=3^{4}=81$
Taking $n=5$, we get
$a_5=3^{5}=243$
Hence, the first five terms of the given sequence are $3, 9, 27, 81$ and $243$.
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