Question

Rewrite the logarithm as a ratio of (a) common logarithms and (b) natural logarithms.

Answer 1

Step 1:

(a)

The expression is .

Changing base using common logarithms formula .

Common logarithm .

Step 2:

(b) The expression is .

Changing base using natural logarithm formula .

Natural logarithm .

Solution:

(a)  .

 

(b) .