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The chracteristics of perfect competition are: many firms, freedom of entry and exit, all firms produce identical or homogenous products, all firms are price takers(have no influence over the price) and h...

de Moivre worked out a brilliant and beautiful way to solve complex equations.

If you for example have z³= 1 and you want to find all real and complex z that satisfy thi...

The subjunctive mood is used in French to express several different things, such as uncertainty, hope or fear. Firstly we will look at how it is constructed: For regular verbs, we take the third person pl...

expand the brackets to get x²-2x+3x-6=4x+22 bring all the terms to one side x²-2x+3x-6-4x-22=0 (remember:if you do something to one side, do the same thing to the other! e.g. -4x on ...

The most common explanation of the idea of sovereignty comes from Dicey, who saw sovereignty as the idea that Parliament can make or unmake any law it chooses, with unlimited discretion. This means that f...