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The important thing to note is that examiners always give the minimum amount of information for the question to still be answerable. If you have not used all the information then you probably haven't answ...

It's important to structure your essays clearly and concisely to achieve the best grade. The 3-paragraph structure works well for A-level students. The essay should comprise an introduction, three paragra...

We will be using the quotient rule, although the product rule is also usable and can be run through if the student wishes. Firstly, define u = 8x, v = x-8 for simplicity. Then clearly u' = 8, v' = 1, and ...

For this we must use the chain rule. We start by defining x³ as a new variable, u = x³ Can then rewrite the expression as y = sin(u) Chain rule tells us that dy/dx = (dy/du)(du/dx) W...

For every member of the Royal Academy (an institution dictating the “official” taste in art in the eighteenth and nineteenth century) the term “Grand Manner” would have been applied to every painting cons...