Question

Jika 2 = a, log 3 = b, Dan log 5 = c, mama log 150 Sana dengan....
a) a+b+2c
b) a+c+1
c) b+c+1
d) abc
e) 2abc

Answer 1

Answer 2

Log 150
= log ( 25 x 2 x 3)
= log (5² x 2 x 3)
= log 5² + log 2 + log 3
= 2(log 5) + log 2 + log 3
= 2(c) + a + b
= a + b + 2c