Use the fact that (a) (1 − x)2 = Σ 00 Σ (3) n = 1 Σ nxn−1 to find the sum of each series. n = 1 ( Σ (3) (b) n = 1 = = 1

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A: Solution is below.

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Q: 5. Determine the exact sum of the following series. •(-2)" +3" 135 405 (a) (b) 5+ 5 512 4096 4" 1…

A: Let's find.

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Q: 1. a. List out the first four terms of the following series: > n(n – 1)a,nx"-2 = In%=2 b. Combine…

A: Solution of the problem as follows