# A-Maths Differentiation: Finding Gradient of Curve

I'm very excited to be working on the revised copy for the GCE O-Level Additional & Elementary Mathematics Ten Years Series (2003-2012) by FBP Publisher.

The book should be available in all Popular bookstores (Singapore) in early April. There's something new on this book. To provide more value to students, this year we have included an additional book of drill questions.

I would like to share one of the questions from Differentiation: Tangent & Normal with all of you.

Skill required:

• Quotient rule
• Gradient of curve is dy/dx

Bonus: Strictly decreasing function means dy/dx < 0 for all values of x.

Click on the image for a bigger view.

I would like to hear any comments from you. Did you do this question using another approach?  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! :)

### One Response to A-Maths Differentiation: Finding Gradient of Curve

1. ilyas says:

Your efforts to make Maths . as simple as possible for the student is commendable . I desire to teach Maths. to O level students in Pakistan but don't know which books shall I follow for effective teaching .

Thanks a lot for your valuable contribution

Regards / ILYAS