If a and b are odd numbers, then which of the following is even ?
it is given that a and b are oddĀ
sum of two odd numbers are evenĀ
a + b = evenĀ
if a number is multiplied by 2 it becomes an even number and henceĀ
2ab = evenĀ
sum of two even numbers are evenĀ
a + b + 2ab = evenĀ
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