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Section 13.8 Week 10 Assignment

  1. Calculate the value of this series. (4)
    \begin{equation*} \sum_{n=0}^\infty 2^n - \left( \frac{1}{2} \right)^n \end{equation*}
  2. Calculate the value of this series. (4)
    \begin{equation*} \sum_{n=0}^\infty \frac{1}{(n+3)(n+7)} \end{equation*}
  3. Consider the function \(f(x) = \tan ((2x+1) \pi))\) and the sequence \(a_n = \tan ((2n + 1) \pi))\text{.}\) Explain why the limit of the sequence makes sense and converges, but the limit of the function does not. Why does asymptotic analysis not help determine the limit of this function? (4)