# C2 Revision Notes

These are my C2 Revison notes.

Enjoy : )

Thx

- Created by: John
- Created on: 22-01-11 17:35

First 263 words of the document:

Core 2 Revision notes

This is how I think about/answer some common exam questions. This does not necessarily

cover every question that could come up in your C2 exam. It does not include modelling

curves.

Differentiation questions

Type 1

Question just asks you to differentiate.

If , then for n and k are all real constants.

e.g.1 then

e.g.2 first change into indice form then use the ordinary rule

which is the same as

e.g. 3 first change into indice form then use the ordinary rule

which is the same as

Type 2

This type of question asks you to differentiate a given equation and then find the

gradient of the graph of the function at a given point. To do this, first differentiate

using the standard formula on the formula sheet and then substitute in the x

coordinate given.

E.g. Q: Find gradient of graph at the point (2,9).

A: , when x =2, gradient =

Type 3

This type of question asks you to find the turning or stationary points of a graph and

determine their nature. To do this you have to differentiate to find the gradient and

then find where the gradient is zero. Then differentiate again to find and use

the following table to determine the nature of the turning point.

The point is a maximum

The point is a minimum

The point could be a maximum, a minimum or a point of inflection

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