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In this example instead of multiplying out 7 brackets it is useful to use the chain rule, which is used to differentiate the composition of more than one function. If we let what is inside the bracket equ...

The easiest method to solve quadratic equations by hand is by factorisation - which means putting the equation into brackets, effectively expressing the equation as a product of two linear expressions. Im...

Since I have been able to talk, the manipulation of language has fascinated me. I have explored my interest in literature beyond the A level syllabus, developing on my studies of victorian literature thro...

Helena's character is the epitome of unrequited love. Her intrinsically irrational nature stemming from her emotional instability is clearly demonstrated in Act 3 Scene 2 through the elongated "O&quo...

In reality there's no way to know for certain and in fact some integrals can actually be proven to be impossible but they won't give you those in the exam. There's only really two main methods that you'll...