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Doing the Past Papers only gives you a general idea of what types of questions will come up in your exam. Every exam will be different and will have those particular questions which require knowledge o...

In part (a) the majority obtained 403 and some wrote their answer as £4.03, there was the usual crop of arithmetic errors with 2 ×199 = 298 or 498 being quite common. In part (b) the sum formula was us...

There are a range of methods commonly used for differentation, but my favoured method is as follows:E.g. Differentiate 3x^21) Separate into three separate parts - the Coefficient (the number at the front,...

Although differentiation is often taught in an abstract way, it's applications are virtually limitless. It's primary purpose is to determine the gradient of a line at a given point on a curve. Unlike with...

There is a simple trick to drawing the inverse of a given function. 

First, roughly sketch the original function. This means a sketch of the general shape of the curve with some key chara...