1-3(x-1)+3(x-10)^2-(x-1)^3=? 逆用二项式定理?
问题描述:
1-3(x-1)+3(x-10)^2-(x-1)^3=? 逆用二项式定理?
答
1-3(x-1)+3(x-1)^2-(x-1)^3
=[1-(x-1)]³
=(2-x)³