Question

Given log 2 = a, log 3 = b, express the following in terms of a or b or both.

log 0.5

Answer 1

We are given:

• log 2 = a
• log 3 = b

We need to express:

log 0.5

Step 1: Express 0.5 as a fraction

`0.5 = 1/2`

So:

`log 0.5 = log (1/2) = - log 2`

log 0.5 = – a