Question

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 1

Total number of ordered pairs in universal relation for set B= {α,β, gamma, delta} is _____

Total number of ordered pairs in universal relation for set B= {α,β, gamma, delta} is _____Cᴏᴘɪᴇᴅ :-)