Jawabanmu

2014-08-24T07:13:26+07:00
= -4a^3 x 2b^5 x b/8a = -1/2a^2 x 2b^6
2014-08-24T07:22:10+07:00
-4a^3 x 2b^5 x b/8a = -4a^3 x 2b^6/ 8a = -8 a^3 x b^6 / 8a = -a^2b^6