Question

What is the remainder when (x^3+1) is divided by (x^2 - x + 1 )

Answer 1

Answer: D: 0

Explanation:

Without doing a long division.

`Remember:\\\\\\\boxed{a^3+b^3=(a+b)(a^2-ab+b^2)}\\\\(x^3+1)/(x^2-x+1) =((x+1)(x^2-x+1))/(x^2-x+1) =x+1\\\\remainder\ is\ 0\\\\Answer\ D\\`