More Problem solving questions on Equations of Normal and Tangent for SPM Differentiation Chapter!

These are 2 paper 1 questions taken from my **Epitome Online Tuition Program**. As you can see, the are from Question 31 and 32. There are 71 questions in the **Online Tuition Program** worksheet. If you’re weak in Differentiation, I suggest that you enroll in the Online Tuition Program to improve yourself.

Here are the questions 31 and 32. Try them first before looking at my workings or video. Click on the pic to zoom.

Here are the workings for Question 31-32.

If you’re still unclear, below is the video tutorial to explain the workings step-by-step. The video is in my YouTube channel. You can embed the video in your blog or facebook to share this with your friends.

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I would like to clarify that in your question 31, y=5+2(3)-3^2 isn’t equal to 5+6+9?

It is not. Please refer to the original equation which is y=5+2x-x^2. The minus does not belong to the 3. So you should do 3^2 first, then do the minus. This is not (-3)^2, so it’s not +9

OK. Thanks!