Question

\(\dfrac{2008}{1}\)+\(\dfrac{2007}{2}\)+\(\dfrac{2006}{3}\)+......+\(\dfrac{2}{2007}\)+\(\dfrac{1}{2008}\)

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Answer 1

\(=\left(\dfrac{2007}{2}+1\right)+\left(\dfrac{2006}{3}+1\right)+...+\left(\dfrac{2}{2007}+1\right)+\left(\dfrac{1}{2008}+1\right)+1\)

\(=\dfrac{2009}{2}+\dfrac{2009}{3}+...+\dfrac{2009}{2008}+\dfrac{2009}{2009}\)

\(=2009\left(\dfrac{1}{2}+\dfrac{1}{3}+...+\dfrac{1}{2009}\right)\)