来自董峻峰的问题
(m-1)的5次方÷(1-x)²=
(m-1)的5次方÷(1-x)²=
1回答
2020-07-31 19:00
(m-1)的5次方÷(1-x)²=
(m-1)的5次方÷(1-x)²=
(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