question five. does anyone have answers for the paper? if not...
(a) the equation x^4 - x^3 +2x^2 -2x +1 =0 had roots a,b,c,d.
(i) show that none of a, b, c, d is an integer
(ii) find the monic equation of degree four with roots a-1, b-1, c-1, d-1, and hence find the value of...