Suppose N stands for any number. Then 2N will always be even, so 2N + 1 will always be odd. Now let K stand for any other number. Then 2K + 1 will be another odd number. Now suppose we add these two...
We need to refer to the mathematical definition of the word "even." The most commonly accepted definition is that a number "a" is even if there exists an integer "n" which makes the following...