(m-1)的5次方÷(1-x)²=
问题描述:
(m-1)的5次方÷(1-x)²=
答
(x-1)^5÷(1-x)²
=(x-1)^5÷(x-1)²
=(x-1)³
(m-1)^5÷(1-m)²
=(m-1)^5÷(m-1)²
=(m-1)³