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This problem is a graphical representation of finding the solutions to a pair of simultaneous equations.

In this example we will use the curves y=2x² , and y=x²+1. T...

Philosophy and ethics is a broad essay based subject which gives you a range of knowledge and understanding of many philosophical concepts, key thinkers, themes, texts and ways of thinking. It also dra...

The phenomenon this question relates to is the photoelectric effect, and it can only be explained using Einstein’s photon model of light.
Electromagnetic waves are emitted in discret...

Whilst I didn't study law at A-level I now study LLB Law at the University of Liverpool and find it exciting and stimulating. I would love to have the opportunity to give A-Level students the knowledge...

How you should approach a question of this type in an exam
Say you are given two lines: L₁ and L₂ with equations and you are asked to deduce whether or not they...