# A-Math: Differentiation of Ln [Video]

This is my first video using flipvideo.

I know the 'whiteboard' section is slightly shaky and blur; I'll improve in my next video.

I would love to hear from you! Leave me a comment!

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### Ai Ling Ong

Hi, I'm Ai Ling Ong. I enjoy coaching students who have challenges with understanding and scoring in 'O' Level A-Maths and E-Maths. I develop Math strategies, sometimes ridiculous ideas to help students in understanding abstract concepts the fast and memorable way. I write this blog to share with you the stuff I teach in my class, the common mistakes my students made, the 'way' to think, analyze... If you have found this blog post useful, please share it with your friends. I will really appreciate it! :)

### 2 Responses to A-Math: Differentiation of Ln [Video]

1. ZHAO PEIQI says:

The sound is very clear, the gaphic is clear too, but blurry when it shows on the board. thx for sharing .