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So we want to differentiate y = 4x 2 ln(x) with respect to y. For this we need to use the product rule. The product rule is D {f(x)g(x)} = f(x)g'(x) + g'(x)f(x) We can therefore make f(x) = 4x 2 and g(x) = l...

- Barriers to entry, for example patents, restrict the number of competitors in a market. They may be deliberate, e.g. patents, or inherent in the good, e.g. water. Where they are inehrent, a 'natural monopo...

The behavioural approach, on the whole, focusses on how behaviours are learnt through the experiences that you have in your life. Behaviours are able to be learnt through:1. Classical Conditioning2. Operant ...

The citric acid cycle (AKA the TCA cycle, AKA the Krebs cycle) is an incredibly important set of chemical reactions which is at the centre of how all aerobic organisms function. It is also really complicated...

Randomised controlled trials are the most important way that new medical therapies (drugs, devices, procedures and so on) are tested. ‘Controlled’ means that volunteers in the trial are split into groups. On...