medium · GMAT Quant
An energy grid records loss factors across 30 distribution nodes. The loss factor for node k, where k = 1, 2, dots, 30, is given by dfrac6k(k+1).
What is the sum of the loss factors for all 30 nodes?
- dfrac18031
- dfrac3031
- dfrac19231
- 6
- dfrac17431
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