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If you're unsure how to structure your essays, the most important thing to do first of all is to think about what the question is asking you. In A Level History, most questions will ask you to analyse the...

Since the beginning of this period, 81 BC, military support had aided Pompey in enhancing his reputation as an authoritative leader, on several occasions convincing the Senate to award him proconsular or ...

Firstly, the polynomial is a cubic, and so we know what its graph looks like, hence it must have at least one real root, and a) is false. Computing a root would be time consuming, so instead we adopt a di...

We rearrange equation (1) to obtain an expression in terms of x. We then substitute this expression in place of x in equation (2), rearranging to find the numerical value of y. This value of y can then be...

As the derivative of e^x is e^x, so is the integral (plus some constant). As we wish to find the value of the integral from x = 1 to x = 2, we substitute x=2 into e^x, and from that we subtract e^x with x...