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What is John Rawls' Difference Principal?

John Rawls is a Kantian Philosopher who has had a large influence in the realm of political philosophy and ethical philosophy. His difference principal involves us imagining a scenario without race, class, w...
CG
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How do I factorise quadratic equations?

Take the example x 2 + 5x + 6.You need to think of 2 numbers that multiple together to make 6, and add together to make 5. Therefore in the brackets we need 2 and 3. As all the signs are positive in this exa...
AS
Answered by Adam S. • Maths tutor
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What happens during prophase?

The chromosomes condense and become visible
AS
Answered by Adam S. • Biology tutor
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If y = (4x^2)ln(x) then find the second derivative of the function with respect to x when x = e^2 (taken from a C3 past paper)

The first thing to recognise is that this function is a product of two functions: namely, 4x^2 and ln(x), thus we must employ the product rule in order to find the solution. As you may recall, the product ru...
CS
Answered by Caspar S. • Maths tutor
15966 Views

How to solve the simultaneous equations 3x+2y=7 and 5x+y=14

Firstly we rearrange one of these equations so that we have y on one side of the equation on its own. Let's do this with the second equation. So from 5x+y=14, we can minus 5x from both sides to get: y=14-5x ...
IB
Answered by Imogen B. • Maths tutor
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