Answer
$\prod_{k=1}^{n}(\frac{k}{k+2})$
Work Step by Step
$(\prod_{k=1}^{n}\frac{k}{k+1})(\prod_{k=1}^{n}\frac{k+1}{k+2})=\prod_{k=1}^{n}(\frac{k}{k+1})(\frac{k+1}{k+2})=\prod_{k=1}^{n}(\frac{k}{k+2})$
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