Which of the following are factors of x3−2x2−x+2?
(x+1) is a factor of the polynomial (a) x3−2x2+x+2 (b) x3+2x2+x−2 (c) x3+2x2−x−2 (d) x3+2x2−x+2
Which of the following is not a factor of x3+ 2x2+x?
One of the factors of x5+x+1 is
(1) 2x2 - x - 1
(2) x3 - x2 + 1
(3) x2 - 2x2 + 1
(4) x3 + x2 + 1