Answer: 18/7
Step-by-step explanation: random.
The answer is 3. -1/2 n + 1 1/2 n add the coefficients to get 1n or just n. then n-n is 0 what is left is 3.
X, x+2 - two consecutive odd or even numbers
Add the reciprocals of these numbers.

Now add the squares of the numerator and denominator, as in the example.

So this number has to be a perfect square.

It is a perfect square, so this method always works.
The numbers

are a Pythagorean triple for any

.