Before we can deal with the more advanced differentiation of several variables in Chapter 5 we must first fully understand the basic rules or differentiation. In this video we look at these rules which are the sum, product and quotient rules as well as the composition function or chain rule.
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Video tutorial 3.5 Differentiation - Optimisation
The main use of differentiation in this course is to optimise functions and then classify any stationary points that are found. Here we look at the main techniques of both identifying and classifying the stationary points of a given function.Click HERE
Video tutorial 3.5 Optimisation Activity 3.10
Here we look at Activity 3.10 which can be found on page 49 of the new subject guide as opposed to page 45 of the previous version. This question uses the techniques of optimisation from chapter 3 and is the type of question that can be found in Section A of the examination.Click HERE
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