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As 'aller' belongs to the Mrs Vandertramp family, we would use the Past Participle of 'être' rather than 'avoir' as the auxillary to form the past tense. The pronouns before are still the same, however ra...

Firstly, I would remember what differentiation shows - which is the rate of change of a function. I would think about how I could use this to show it's always increasing. Now the first derivative would sh...

(x+3)(x+2)

Imagine you want to sail a ship from Liverpool to new York. While sailing you will need to know precisely what direction you need to be travelling at every point(if you are out by one degree this could re...