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If the view that ‘the boundaries between good and evil are blurred’ were applied to Macbeth, we would expect to see characters that are portrayed as good doing evil things, for example Macbeth, Banquo and...

Always make sure you have read around your subject and are up to date with any recent media reports of scientific research linking to your area of study. However, the most important thing is to have pract...

To differentiate a simple expression such as x^3 + 2x you simply multiply the power of the x by the multiple in front of the x value and then take away one from the power. For example the expression would...

Consumer Surplus is the difference between the price that consumers are willing to pay, and the price that they actually pay. Similarly, Producer Surplus is the difference between the price for which prod...

These two brackets multiply out to form what is called a quadratic. We expand these two brackets using the "FOIL" method - this stands for First, Outside, Inside and Last. Therefore, the first t...