Question

2 log x = 3 log 27 - 2 log 16,,, nilai x adalah

Answer 1

²log x = ³ log 27 - ²log 16
²log x = ³log 3³ - ²log 2⁴
²log x = 3 ³log 3 - 4 ²log 2
²log x = 3 - 4
²log x = -1
x = 2⁻¹
x = 1/2