For all find a formula for (first sum between j=1 and n, second between i=1 and j) in each of the following cases: i) = 1 ii) = ij How would I go about this? Very confused.
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all you have to remember is the expression for a sum of an arithmetic progression (or use google): Here's the second case:
Sorry, I think you misunderstood the limits. My fault for not knowing the code for it. It's this: for 1 and ij.
these are well known sums Power Sum -- from Wolfram MathWorld
Originally Posted by Peritus these are well known sums Power Sum -- from Wolfram MathWorld How did you get to this
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