4. The factor (1 + x) always divides x” +1 without a remainder, therefore, g(x) -1+x can bea generator polynomial for a binary cyclic code of length n with k information bits. a. First show that g(x) is a factor of x”+1 for any n. b. Express k, the number of information bits in terms of n, the codeword’s overall length, in other words this is an (n,k) code where k is expressed in
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