use a direct proof to show that every odd integer is the difference of two squares. i dont understand how the solution defines ((k+1)^2)-(k^2) = n from (n = 2K+1) where does the (k+1)^2 and the k^2 come from?
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Originally Posted by camboguy use a direct proof to show that every odd integer is the difference of two squares. i dont understand how the solution defines ((k+1)^2)-(k^2) = n from (n = 2K+1) where does the (k+1)^2 and the k^2 come from?
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