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Use the Ratio Test to Determine the Convergence or Divergence n=1(1)n1(72)nn2\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n - 1 } \left( \frac { 7 } { 2 } \right) ^ { n } } { n ^ { 2 } }

question 31

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Use the Ratio Test to determine the convergence or divergence of the series. n=1(1) n1(72) nn2\sum _ { n = 1 } ^ { \infty } \frac { ( - 1 ) ^ { n - 1 } \left( \frac { 7 } { 2 } \right) ^ { n } } { n ^ { 2 } }


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Weighted-Average Method

An inventory costing method that calculates the cost of goods sold and ending inventory based on the average cost of all inventory items, weighted by the quantity of each item.

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