Question

If x2 + x - 12 divides p(x)=x3 + ax2 + bx - 84 exactly, find 'a' and 'b' .

Answer 1

Given that, for all values of x, f(x)=x5 — 2x3 +x2 —3=(xZ —1)Q(x)+Ax+B, where ... Find the values ofA, B, Cand D. 9% If x2 +x—12 is a factor of 2x3 + ...