hey, could anybody please help me to simplify the following factorial and show how they did so? thank you very much
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$\displaystyle \frac{(2n+1)!}{(2n+3)!}=\frac{(2n+1)!}{(2n+3)(2n+2 )(2n+1)!}= \frac{1}{(2n+3)(2n+2)} $
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