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I was wondering how do I solve this, I've been trying any possible way to but I've failed: $$\begin{align*} T(n) &= T(n-1) +3n^2 - 2n +1 ,& n \ge 1 \\ T(0) &=2 &\\ \end{align*}$$

dkaeae
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Daniel Dayan
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  • What did you try? Where did you get stuck? We're happy to help you understand the concepts but just solving exercises for you is unlikely to achieve that. You might find this page helpful in improving your question. – dkaeae Apr 03 '19 at 11:26
  • Let $a(n)$ be a sequence of numbers. Then,

    $$\sum_{n=1}^N \left[a(n) - a(n-1)\right] = a(N) - a(0).$$

     – zdm Apr 03 '19 at 12:47

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