In: Advanced Math
Prove that there exist infinitely many positive real numbers
r such that the equation 2x +...
- Prove that there exist infinitely many positive real numbers
r such that the equation 2x +
3y + 5z = r has no
solution (x,y,z) ∈ Q × Q × Q.
(Hint: Is the set S
= {2x + 3y +
5z : (x,y,z) ∈ Q × Q × Q}
countable?)