Question

若n为正整数,且x不等于y,计算(x-y)的32次方乘以(y-x)的2n次方除以(y-x)的5n次方,

Answer 1

(x-y)的32次方乘以(y-x)的2n次方除以(y-x)的5n次方

=[(x-y)^32]*[(y-x)^(2n)]/[(y-x)^(5n)]

=[(y-x)^32]*[(y-x)^(2n)]/[(y-x)^(5n)]

=(y-x)^(32+2n-5n)

=(y-x)^(32-3n)