Question

求教!根号下a的n 次方括号的n次方 化简：（n√a)n 内个n是次方的意思

Answer 1

[[a^n]^(1/2)]^n,
a>0时,[[a^n]^(1/2)]^n = [a^(n/2)]^n = a^(n^2/2)
.
a>0时,[a^(1/n)]^n = a^(1/n*n) = a^1 = a