Jawabanmu

2014-04-14T13:54:12+07:00
A).s.4 = (3x+1)4= 12x+4
b).s.s.s= (3x+1)(3x+1)(3x+1) = 18x³+27x²+9x+1
2014-04-14T13:57:03+07:00
A. luas permukaan kubus = 12 (3x+1) = 36x + 12
b. volume= (3x+1)^3 = 27x^3 + 27x^2 + 9x + 1