多项式分解

问题描述:

多项式分解
1/(t+t^2+t^3+t^4)怎么分解成6/t - 3/(1+t) - (3t+3)/(1+t^2)
(u^2-1)^2如何分解成-1/(u-1)+1/(u-1)^2+1/(u+1)+1/(u+1)^2

1/(t+t^2+t^3+t^4)应改为6/(t+t^2+t^3+t^4)

(u^2-1)^2应改为4/(u^2-1)^2

看图: