Question

помогите ,пожалуйста

Answer 1

Решение
ab*{a/[(a^n)*(b^n)] - b / [(a^n)*(b^n)]}^(1/n) * [1/(a - b)^n] = 
= ab*{(a - b)/[(a^n)*(b^n)]^(1/n)} * {1/ [(a - b)^(1/n)} =
 = [(ab (a - b)^(1/n)] / [ab (a - b)(1/n)] = 1