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When doing double integration with two arbitrary variables, for example 'x' and 'y' look at the Integration on the inside and integrate the function between the given range. For example if the integrand i...

An outward shift in the supply curve means that for each level of quantity supplied of a good/service, the price has decreased. One reason for this could be a positive supply shock, for example a period o...

A democracy is any system of government in which the people either make or influence the decisions and government is accountable to the people. There are various forms of democracy, including: direct, rep...

First, think of all the main factors that caused the collapse of Weimar democracy. It can often help to divide these into political, economic, and social factors - of course, there's overlap between these...

You might be tempted to start by expanding the brackets, but in this case it's much easier to use the chain rule. This is the rule that, to differentiate f(g(x)), we find f'(g(x))*g'(x). In other words, t...