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First we must establish how to differentiate terms individually. This is done by using the simple method of multiplying the X by the power, and subtracting one away from the power. To make it easier we wi...

The equation of the area of a circle is A = pi*(r^2) Therefore seeing as we have got the area we must work backwards to be able to answer this question. First we shall start off with substituting into the...

The price elasticity of demand tells you how sensitive consumers are to a change in the price of a good. Therefore the more sensitive (elastic) the demand is, the more the tax will effect the demand. So, ...

For this kind of question, the FOIL method can be used. You start by multiplying the FIRST aspects of both brackets, in this case giving 2x². Then you do the same with the OUTERS, the last elements in eac...

The first thing to prioritise in approaching an unseen piece is to understand what is actually happening in the text at a more basic level, identifying key events and characters. After establishing this, ...