Why is the sum of two odd numbers always even?
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any odd can be written in form of 2m+1 where is positive integer
so when you add 2 odd intergers which means
2m+1+2n+1
=2m+2+2n
=2(m+1+n)
=2z which is even.
so when you add 2 odd intergers which means
2m+1+2n+1
=2m+2+2n
=2(m+1+n)
=2z which is even.
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