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A hint: n^2 = 1 + 3 + 5 + 7 + ... + (2n-1)$n^2 = 1 + 3 + 5 + 7 + \dots + (2n-1)$.
A hint: n^2 = 1 + 3 + 5 + 7 + ... + (2n-1).
A hint: $n^2 = 1 + 3 + 5 + 7 + \dots + (2n-1)$.
