Discussion
If A ⊕ B = C, then
Answer: D
Correct answer: Both (a) & (b)
XOR is its own inverse, so an equation may be rearranged freely: from \( A\oplus B=C \), XOR both sides with \(B\) to get \( A = B\oplus C \), or with \(A\) to get \( B = A\oplus C \). Both rearrangements hold, which is why the third option - \( A\oplus B\oplus C = 0 \) - is also true but is not the only one.
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