#1373 · Algebra · Sequences & series

Sum of odd integers

Prove by induction that $1 + 3 + 5 + oo + (2 n - 1) = n^{2}$ for all positive integers $n$ .

~10 minProof · checked by AImathematical inductionarithmetic progression

H. S. Hall & S. R. Knight, Higher Algebra (1891) · Ch. XII. Mathematical Induction, Examples XII, No. 1

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