Question

1. Determine which of the following polynomials (x + 1) a factor :
(1) x^3+x^2+x+1​

Answer 1

Answer:

Step-by-step explanation:

Apply remainder theorem

=>x + 1 =0

=> x = - 1

Replace x by – 1 we get

=>x3 + x2 + x + 1

=>(-1)3 + (-1)2 + (-1) + 1

=> -1 + 1 - 1 + 1

=> 0