Question

Tentukan hasil dari (2a+1/3)^3

Answer 1

(2a+1/3).(2a+1/3)
= 4a^2+2/3a+2/3a+1/9
= (4a^2+4/3a+1/9).(2a+1/3)
= 8a^3+4/3a^2+8/3a^2+4/9a+2/9a+1/27
= 8a^3+12/3a^2+6/9a+1/27
= 8a^3+4a^2+2/3a+1/27
ket: ^ = pangkat