Question

(x + 1) is a factor of the polynomial

(a) x3 + x2 - x + 1
(b) x3 + x2 + x + 1
(c) x4 + x3 + x2 + 1
(d) x4 + 3x3 + 3x2 + x + 1​

Answer 1

Answer:

put x=-1 in all equation if the answer is zero then x+1 is a factor of polynomial.