Multiplication in GF(2^4): Compute A(x) middot B(x) mod P(x) in GF(2^4) using the irreducible polynomial P(x) = x^4 + x + 1. What is the influence of the choice of the reduction polynomial on the computation? a. A(x) = x^2 + 1, B(x) = x^3 + x^2 + 1 b. A(x) = x^2 + 1, B(x) = x + 1