Example 2.2.2.

Find the recursive and closed formula for the geometric sequences below. Again, the first term listed is \(a_0\text{.}\)

  1. \(\displaystyle 3, 6, 12, 24, 48, \ldots\)

  2. \(\displaystyle 27, 9, 3, 1, 1/3, \ldots\)

Solution.
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