Find a_5 and a_n for the geometric sequence. a_3=2, r=1/3

Vilharjevw7

Vilharjevw7

Answered question

2022-01-23

Find a5 and an for the geometric sequence.
a3=2, r=13

Answer & Explanation

Telering3b

Telering3b

Beginner2022-01-24Added 11 answers

Since the n-th term in GP is given by an=a1rn1
a3=a11331
2=a119
a1=18
a5=18(13)51
=1881
=29

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