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This is a typical exam question which some students may find confusing.The trick to this question is realising that you have to rationalise the denominator. (Topic: Surds)4/(2-√2) = 4/(2-√2) x (2+√2)/(2+√...

The key to approaching source-based questions is first to make sure you've noticed all the main aspects, for instance by using the acronym PURER BIN (PUrpose, REliability, Representative, BIas, Neutral...

the aim of finsing the inverse is making x the subject. To start we need to multiply both sides by: (2x+3), giving us:

y(2x+3) = 5x-4

now we need to expand the brackets:

Growth is typically considered great - improvement in GDP per capita, incomes and living standards. However, if asked in the exam, there is something for you to mention.

Firstly, consider...

Try writing mock essays - after five or six, you will know which figures you are most likely to use! You will end up with ten to twelve numbers that you need to memorise. Do not forget sources and year...