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40. If a and b are two odd positive integers such that a>b , then prove that one of the two numbers a+b/2 and a-b/2 is odd and the other is even .

Answer» 40. If a and b are two odd positive integers such that a>b , then prove that one of the two numbers a+b/2 and a-b/2 is odd and the other is even .


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