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Deflation is the state of an economy where prices are falling, representing a rise in the real value of money over time. If inflation is falling that means that the rate at which prices increase is reduci...

1/(x(a-x)) = B(1/x + 1/(a-x)) Note: the '≡' sign (defined equivalence) can be used in place of '=' but this is not necessary to achieve full marks.Step: multiply both sides by x(a-x)1 = (x(a-x))B(1/x + 1/...

Often one of the most difficult aspects of writing a good essay is nailing its structure. It’s very easy to have great points laid out in a way that’s confusing and hard to pin down – and a well-structure...

2x²+4x+6x+12=2x²+10x+12

With a thematic question like this one, it’s especially important to ‘show your working’. Here are my tips for how to answer a question like this:
Think about the wider historical debate at hand ...