(t^3)⼀(t+1) 化简,有给步骤啊

2025-06-28 08:39:46
推荐回答(2个)
回答1:

(t^3+1-1)/(t+1)
3次方根最后化简 t^2-t+1-1/(1+t)

回答2:

(t^3)/(t+1)=(t+1-1)^3/(t+1)
=[(t+1)^3-3*(t+1)^2+3*(t+1)-1]/(t+1)
=(t+1)^2-3*(t+1)+3-1/(t+1)
=t^2-t+1-1/(t+1)