Dat Do edited beginproblem_a_You_a.tex  about 10 years ago

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The difference between $2^{n+1}$ and $W(n)$ appears to be $-n-2$ for each term, so the closed form expression for $W(n)$ must be $\sum\limits_{i=1}^n i*2^{n-i} = 2^{n+1}-n-2$  \\*  We can prove that this expression is correct using induction  \\*  \textit{Proof.}  \begin{problem}  \textbf{Problem 2: }Prove that there is an integer $c>0$ such that