2x^5+3x^3+5x^2-2x+10除以x^2+1

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 11:32:56

2x^5+3x^3+5x^2-2x+10除以x^2+1
2x^5+3x^3+5x^2-2x+10除以x^2+1

2x^5+3x^3+5x^2-2x+10除以x^2+1
2x^5+3x^3+5x^2-2x+10
=2x^5+2x^3+x^3+x+5x^2+5-3x+5
=2x^3(x^2+1)+x(x^2+1)+5(x^2+1)-3x+5
=(x^2+1)(2x^3+x+5)-3x+5
商2x^3+x+5
余-3x+5

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