I met a student and she passed me this paper with this Lg question on it, asking me on the solution for solving this equation :

Coincidentally, I was asking a few O Level students of mine on which are the "**Killer A-Maths Topics**" for them. **Logarithm, Indices, Surds **is one of the common topic which is ranked high on their list.

Now back to the question.

PS:

Notice that right hand side of the equal sign is something you can compute using the calculator hence,

Use your calculator to find out the value of and the value is 1.69 ( round off to 3 significant figure) so the answer for this question is

I will be coming out with a series of posts on **Logarithms** since it is a "hot" topic for students :-) Subscribe to my feeds to be updated of this post.

jiahui says

hey ailing.

thanks!

Sipho Nkomo says

I want to my o level maths