logarithm (Practices)

Practices

Question and answer

Question 1

By applying the laws and Properties of logarithm, evaluate :

1. log39
2. log42

Answer

1) log39

~Log39 = x

~log3(x)  = 9

~3(x) = 9

~3(x) = 3(2)

~log39 = 2

Answer

2) log42

~log42 = x

~4(x) = 2(1)

~2(2x) = 1

~x = 1
        2
~log42 = 1
              2