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Solve the simultaneous equations: x+y =2; x^2 + 2y = 12

The first thing to note about this question is that it's a simultaneous equations question, involving a quadratic. We will have to use substution in order to solve it. So first of all we need to chose whi...

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Why do I need to add the + C when finding an indefinite integral?

When you differenciate a function, the constant term turns to 0. So a lot of different functions like x²+ 7 and x²- 3 will have the same derivative, this means that going from the ...

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Explain the role of the coenzymes NADH and FADH2 in oxidative phosphorylation and why it is significant. (6 marks)

NADH and FADH2 oxidised to NAD and FAD in the marix by electron carrier proteins in the inter mitochondrial membrane.This liberates

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How do the properties of water make it a suitable environment for many organisms?

Water has an extremely high specific heat capacity. This means it requires large amounts of energy to increase its temperature, making it a constant environment. When water freezes the structure changes. ...

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How far are Larkin and Duffy alike in writing about the superficiality of society in their poetry?

In their poems, Duffy and Larkin’s personas convey a distaste towards societal conventions through exposing the reality of society’s workings.Whilst both poets come to bleak conclusions, Duffy recognises ...

Answered by • English Literature tutor

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