Question

use the factor theorem to determine whether x-1 is a factor of x3 + x2 - 2x +1​
answer must be 0

Answer 1

x-1=0

x=1

p(x)=x^3+x^2-2x+1

p(1)=(1)^3+(1)^2-2 (1)+1

=1+1-2+1

=1

Here, remainder is 1

Therefore, x-1 is not a factor of x3 + x2 - 2x +1