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Is the following statement true or false? For every odd integer n , | ~ n 2 ~ | = n + 1 2 .

Is the following statement true or false?
For every odd integer n,|~n2~|=n+12.
To answer this question, let n be any odd integer. By definition of odd, n=2k+1 for some integer k, and so, by substitution, |~n2~|=|~2k+12~|. Starting with this equality, express |~n2~| in terms of k as simply as possible without using the ceiling notation. The result is
|~n2~|=|~+12~|=
Also, when n+12 is expressed in terms of k and is completely simplified, the result is
n+12=
Since the expression in k for |~n2~| is as the expression in k for n+12, the given statement is
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