Let Q(z) and R(z) be the unique polynomials such that
z^{2021}+1=\left(z^{2}+z+1\right) Q(z)+R(z)
and the degree of R is less than 2 . What is R(z) ?
Answer Choices
A. -z
B. -1
C. 2021
D. z+1
E. 2 z+1
Let Q(z) and R(z) be the unique polynomials such that
and the degree of R is less than 2 . What is R(z) ?
Answer Choices
A. -z
B. -1
C. 2021
D. z+1
E. 2 z+1