I received this question on finding minimum gradient of a curve and it is confusing for many students as they probably lack the flexibility in seeing gradient beyond dy/dx.

I have presented this question in a slightly different manner by reducing the usage of first derivative (dy/dx) and second derivative (d^2y/dx^2).

Check the 3 minutes video by clicking on the video to find out the step-by-step solutions and the explanations.

A-Maths: Differentiation Techniques 101 In this video, I use three examples to show the usage of the three differentiation techniques.
Chain rule
Product rule
Quotient rule
You sh...

A-Maths: How to Differentiate ln Very often, differentiation of ln involves simplification first. By using ln rules, I was able to simplify the given question before I start different...

Integration: The Reverse of Differentiation After I've completed my O-Level Maths Revision Differentiation workshop for a small group of Secondary 4 O-Level A-Maths students, I understood from t...

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...
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