Sum of the First Odd Integers
Sum of the First Odd Integers
IB Year 5 | Grade 11
Prove by mathematical induction that \(\displaystyle\sum_{r=1}^{n}(2r-1)=n^2\) for every \(n\in\mathbb Z^+\).
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Answer:\(\displaystyle\sum_{r=1}^{n}(2r-1)=n^2\)
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