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Questions  >>  CBSE XI  >>  Math  >>  Sequences and Series
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Evaluate $\sum\limits_{k=1}^{11} (2+3^k)$

$\begin{array}{1 1} 2+\large\frac{3}{2}(3^{10}-1) \\ 2+\large\frac{3}{2}(3^{11}-1) \\22+\large\frac{3}{2}(3^{11}-1) \\ 22+\large\frac{3}{2}(3^{10}-1)\end{array} $

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