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Find $\sum_{k = 0}^{10} (k + 2) \cdot 3 \cdot 2^k.$

waffles Feb 9, 2018

edited by waffles Feb 9, 2018

1⁺⁰ Answers

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∑(k + 2) *3* 2^k, k=0 to 10 =67,584

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