If a^2 – 2ab + b^2 = x, [A squared minus two A B plus B squared equals x] where a is an odd integer and b is an even integer, which of the following MUST be true about x?
W) x is a prime number
X) x is divisible by 3
Y) x is an even perfect square
Z) x is an odd perfect square
✔️Answer:Z) x IS AN ODD PERFECT SQUARE
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