问几道初高中衔接数学题设x-1/x=3 求(x^10+x^8+x^2+1)/(x^10+x^6+x^4+1)的值?化简:1/(x^2-3x+2)+1/(x^2+x)+1/(x^2-x)+1/(x^2+3x+2)

问题描述:

问几道初高中衔接数学题
设x-1/x=3 求(x^10+x^8+x^2+1)/(x^10+x^6+x^4+1)的值?
化简:
1/(x^2-3x+2)+1/(x^2+x)+1/(x^2-x)+1/(x^2+3x+2)

119/110
4/x^2-4