Question

find the value of the following polynomials r(x) = x³-x²+x-1 at x=1,-1​

Answer 1

Answer:

R(1)=1-1+1-1=0

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

=-1-1-1-1

=-4

Answer 2

Answer:

refer to the above attachment