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There is a simple equation, similar to the normal binomial expansion, thats easy to remember once youve used it a few times. (1+x) n =1+nx+{[n(n-1)]/2!}x 2 +{[n(n-1)(n-2)]/3!}x 3 +... This looks complicated ...

The subjunctive can be quite tricky for English speakers as it is rarely used in the English language. There are several cases in which one should use the subjunctive when speaking Italian: DOUBT: when there...

In French we need two verb parts to form the perfect tense: the auxiliary (avoir or être) and the past participle of the verb you want to use. Let’s start simple with avoir and être. This part is always conj...

Cognitive approaches look at the meditional processes that govern behaviour. One cognitive explanation of depression was proposed by Aaron Beck. This is the 'negative traid', which invovles having negative t...

Primary source analysis requires you to use examples of how people in the past wrote about or depicted different phenomena. FIrst, it is important to link the particular source to a wider historical period o...