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I is in need of saving.... math wants to kill meeee

I is in need of saving.... math wants to kill meeee-example-1
User Richbits
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1 Answer

5 votes

Answer:

See below

Explanation:

Given sequence is:


7,\: (28)/(3),\:(112)/(9),\:(448)/(27),\:(1792)/(81)\:

Here,

First term
a=7

Common ratio
r=(28)/(7* 3)=(4)/(3)

Formula for nth term of geometric sequence is given as:


a(k) =ar^(k-1)

Plugging the values of a and r in the above formula, we find:


\huge{\purple{a(k) =(7)\bigg((4)/(3)\bigg)^(k-1)}}

This is the required explicit formula for the given geometric sequence.

User Gregyski
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