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This is a question from Higher Tier and involves 1) realising that 2nd difference is a constant: 6. 2) knowing that constant 2nd difference implies the sequence is quadratic. 3) remembering or proving tha...

Recall that the general term in the binomial expansion of (x+y)^n is (nCr)(x^n-r)(y^r), so by the binomial theorem, the entire expansion is the sum of these terms from r = 0 to n. In this case, n = 33, th...

One of the key reasons why the ration decidendi of a case may be difficult to establish is that judgements are often written in a discursive manner so it is difficult to extract that main reasons for the ...

• In order to answer this question, it is essential to dissect the question into exactly what it is asking you to cover in your answer. There is clearly a factor you must take into consideration whils...

Overall the economic distress provided a catalyst for the February revolution to take place in 1917, due to the majority of peasants at the time living in poverty, which was partly caused by the policies ...