Question

Let x,y and z be positive integers such that gcd(x,y,z)=1 : x<y<z and x²+y²=z². Which of the following statements are true?

1. 2 doesn't divides x

2. 2 doesn't divides z(+y)

3. 4 divides x+y+z

4. 8 doesn't divides x+y+z​

Answer 1

Answer:

optain 3 is the correct answer