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The GCD of x3+ x + 1 and x2 + x + 1 over GF(2) is
1.
The GCD of x3+ x + 1 and x2 + x + 1 over GF(2) is
A.
1
B.
x + 1
C.
x<sup>2</sup>
D.
x<sup>2</sup> + 1
Answer» B. x + 1
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