Mathematics, 26.08.2021 08:40 kingz28

Find the sum S below: $\displaystyle \large{S = \frac{2}{1 \cdot 3} + \frac{2}{3 \cdot 5} + \frac{2}{5 \cdot 7} + ... + \frac{2}{(2n - 1)(2n + 1)} }$
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Find the sum S below:
Please show your work too. Thanks!...