Find the remainder when $x^9 - x^6 + x^3 - 1$ is divided by $x^2 + x + 1.$
Question:
Find the remainder when $x^9 - x^6 + x^3 - 1$ is divided by $x^2 + x + 1.$
Answer:
Let's think step by step.

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Find the remainder when $x^9 - x^6 + x^3 - 1$ is divided by $x^2 + x + 1.$
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