Respuesta :

ferrybukantoro

Step-by-step explanation:

given :

log 2 = a and log 3 = b

log 120 =?

solution :

log 120 = log 12×10

= log 2²×3×10

= log 2²+log3 +log 10

= 2.log 2 + log 3 + log 10

= 2a + b + 1