Difference between revisions of "Sums and Perfect Sqares"
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| − | Here are many proofs for the Theory that 1+2+3+...+n+1+2+3...+(n-1) | + | Here are many proofs for the Theory that 1+2+3+...+n+1+2+3...+(n-1)=<math>n^2</math> |
Revision as of 12:17, 14 June 2019
Here are many proofs for the Theory that 1+2+3+...+n+1+2+3...+(n-1)=
