In the finite field GF(2 3 ) defined by the irreducible polynomial m(x) = ...
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In the finite field GF(23) defined by the irreducible polynomial
m(x) = x3+x+1,
find the multiplicative inverse of the polynomial x2+1. In other words, determine the polynomial A(x) such that
(x2+1) A(x) ≡ 1 (mod x3+x+1)
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