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There are a number of integrals that we can evaluate directly, called elementary functions:integral[ x dx ] = x 2 /2 + Cintegral[cos( x ) dx ] = sin( x ) + C However, most integrals cannot be solved so direc...

Intertextuality is the relationship between different texts, specifically literary ones. It is the way that texts refer to and influence other texts. Julia Kristeva first used the term in her 1966 work Word,...

This is something that can make the difference between a C and an A at A Level for languages. Speaking from my experience of Spanish A Level, there are a couple of things that you can do to up your writing g...

It is a quadratic equation and when factorised will be of the form (x +/- a) (x +/- b) = 0. We need to find 2 numbers, a and b, that add together to make the 3 for the 3x term and which are multiplied togeth...

The truth is, it varies from person to person. Some people like to get all colourful with their learning - they find that using differently coloured pens or differently coloured flashcards and notepads help ...