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This can't be differentiated with the usual methods (chain rule, product rule). First we set y = x^x, and our objective is to calculate dy/dx in terms of x.
To turn this function into more ...

To calculate an object's weight, we have weight = mass * gravitational field strength (W = mg). From this, we see that an object with a greater mass (e.g. a hammer compared with a feather) has a greater w...

Although a lot of the time this can seem like a daunting question as there's a lot of specific terminology to use and a variety of reactions/interactions occurring, by splitting it up into short, simple s...

When you’re full of interview nerves this task can seem particularly daunting, but as long as you keep fully focused on the text in front of you, it’ll be fine. Firstly, breathe! The key to respondi...

It is important in examinations to cover a wide variety of subjects in order to best demonstrate the breadth of your understanding both of topical issues and the language that can specifically relate to t...