房贷负债率怎么算:x的八次方加x的四次方加一如何分解
来源:百度文库 编辑:中科新闻网 时间:2024/05/22 00:03:08
x^8+x^4+1
=x^8+2x^4+1-x^4
=(x^4+1)^2-x^4
=(x^4+1-x^2)(x^4+1+x^2)
=[x^2(x+1)(x-1)+1][x^2(x^2+1)+1]
X的四次方(X的四次方+1)
x^8+x^4+1
=x^8+2x^4+1-x^4
=(x^4+1)^2-x^4
=(x^4+1-x^2)(x^4+1+x^2)
=[x^2(x+1)(x-1)+1][x^2(x^2+1)+1]
X的四次方(X的四次方+1)