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1. Differentiating left hand side: 2(x+y)(1+dy/dx) from the chain rule 2. Differentiating right hand side: y²+2xy(dy/dx) from the product rule 3. Equating sides and taking out factors of dy/...

For this I would advise three key points.

(1) Remember you're applying to study a subject not, for a career. At Oxbridge there is a special emphasis on this and the people r...

Crude oil is composed of hydrocarbons of different lengths. In a fractional distillation chamber, the crude oil is heated and cooled to different temperatures. The shorter chain hydrocarbons will boil at ...

2 main things:

Intellect – your intelligence: This includes showing that you are able to think on your feet, able to logically and clearly articulate a view point ...