Let f(r)= x- 1 and the irreducible polynomial p(r) r +x+ 1. Then the powers of a in GF(2") Zz[r]/(p(x)) are 1, a, a2,a a+1.04 a + a, a a +a+1,a=a + 1 Let C be the two-error correcting Reed-Solomon code that results from the polynomial p(x). Given that the quotient polynomial resulting from dividing r by the syndrome polynomial S(r) is Q(x) x2 +r+ a', then the errors occur at the positions O a. a, a" O b. a, a" O c.a, a O d. 2, r

Let f(r)= x- 1 and the irreducible polynomial p(r) r +x+ 1. Then the powers of a in GF(2") Zz[r]/(p(x)) are 1, a, a2,a a+1.04 a + a, a a +a+1,a=a + 1 Let C be the two-error correcting Reed-Solomon code that results from the polynomial p(x). Given that the quotient polynomial resulting from dividing r by the syndrome polynomial S(r) is Q(x) x2 +r+ a', then the errors occur at the positions O a. a, a" O b. a, a" O c.a, a O d. 2, r