4. Polynomial
QUESTION
The polynomial 4x^3 + zx^2 +rx-2, where z and r are
constants, is donated by p(x). It is given that (x+1)
and (x+2) are factors of p(x).
(i) Find the values of of z and r
(ii) When z and r have these values, find the
remainder when p(x) is divided by (x^2+1)