The conversation between human and AI assistant.
What is the remainder when [math]x^{1999}[/math] is divided by [math](x^2-1)[/math] ?
What is the remainder when [math]x^{1999}[/math] is divided by [math](x^2-1)[/math]?
Let me think. We can use polynomial long division to solve this problem. Do you know how to do that?