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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 ...

In order to solve this formula, you would need to collect similar terms to the same side and then simplify to work out the value of 'x'. We can do this by collecting all the 'x' terms to one side first, t...