计算(M-1)的5次方除以(1-M)的3次方

问题描述:

计算(M-1)的5次方除以(1-M)的3次方

(m-1)^5/(1-m)^3
=-(1-m)^5/(1-m)^3
=-(1-m)^(5-3)
=-(1-m)^2