Quandaries
and Queries
Sum to n terms of the series i.(2n-i)
You might want to think of 2n-1Sum(ixi-1) when x = 1/2. This comes from evaluating the derivative of what when x = 1/2?
Penny
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Quandaries
and Queries |
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Sum to n terms of the series i.(2n-i) |
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You might want to think of 2n-1Sum(ixi-1) when x = 1/2. This comes from evaluating the derivative of what when x = 1/2? Penny |
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