If a and b are two odd positive integers such that a>b, then how do we prove that one of the two numbers (a+b)/2 and (a-b)/2 is odd and the other is even?
Veer Kashyap , 12 Years ago
Grade 11
1 Answers
Vikas TU
Last Activity: 12 Years ago
Take a = 5 and b = 3 such that a>b
Now, (a+b)/2 = (5+3)/2 = 4 which is even
and (a-b)/2 = (5-3)/2 = 1 which is odd
hence proved!
plz approve!
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