- #1
r0bHadz
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Homework Statement
The question is to prove that no rational number squared is = 2
Homework Equations
The Attempt at a Solution
I want to understand why for (a/b)^2 = 2, we assume one of the numbers is odd.
Is this because, from approximation we know that root 2 is not a whole number, and If they were both even, we would end up with a whole number?