Jawabanmu

2014-08-15T20:29:52+07:00
1. 2a/3√a =2a/3√a x 3√a/3√a
=2a3√a/3a
 2. 2a/3a-√5 x 3a-√5/3a-√5
=2a3a-√5/9a (pankat2)