Jawabanmu

2014-08-12T02:58:07+07:00
(i) = 1 : 1/a^n = 1 x a^n/1 = a^n

(ii) = 1 : (a/b)^n = 1 : (a^n/b^n) = 1 x (b^n/a^n) = (b^n/a^n) = (b/a)^n