Question

X-1 is a factor of a following polynomiak is

Answer 1

Answer:

1 Answer. (b) Let assume (x + 1) is a factor of x3 + x2 + x+1. (-1)3 + (-1)2 + (-1) + 1 = 0 ⇒ -1+1-1 + 1 = 0 ⇒ 0 = 0 Hence, our assumption is true.