Question

Nomor 10 tolong bantu beserta carqanya, makasih

Answer 1

3^(x+1) + 3^(x+2) + 3^(x+3) = 27.39
(3^x).3 + (3^x).3² + (3^x)3³ = 1053
(3+9+27) (3^x) = 1053
3^x = 1053/39
3^x = 27
3^x = 3^3
x=3