13 Ways of Looking at a Fat Girl

Q3) Find a formula for the nth partial sum of the series:

Q3) Find a formula for the nth partial sum of the series:
5 +
5
4 +
5
16 +
5
64 + ⋯ +
5
4𝑛−1 + ⋯

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Last updated by Bushra A #1349923
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