SOLUTION: Find the sum of the first n terms of the following series 1x2x3+2x3x4+3x4x5x+---

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Question 984370: Find the sum of the first n terms of the following series
1x2x3+2x3x4+3x4x5x+---

Answer by Edwin McCravy(20065)   (Show Source): You can put this solution on YOUR website!

1x2x3+2x3x4+3x4x5x





Factor out n(n+1) on top:



Edwin

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