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This is a basic example of a very important result: the chain rule. The difficulty of this sort of example is that we have a "function of a function". That is, we have the function '4-x' and ...

For this question the chain rule should be used, the chain rule is that dy/du*du/dx=dy/dx.

If we say u=(x²+2x) and therefore y=e^u

Then du/dx=2x+2 and d...

To solve the the problem we need to recognize what type of differentiation technique we shall be employing

y = (e^x)⁷

the x unction which we are diferen...

In 5 mark questions, you only need to make 3 points. However, below are all the points that you could make, some with examples.

Elections are held at specific intervals. ...

Introduction

Start simple, with a sentance stating which way you will be arguing, and a second sentance summarising your argument. For example, "I will be arguing that..."...