Cauchy-Schwarz and AM-GM Inequalities Article Added

OK, by popular request, I have now written a new Cauchy-Schwarz and AM-GM Inequalities article, which has been added to the Additional Topics section.

HOWEVER, I should caution at this stage that this article has one of the lowest TMUA relevance scores. If I had followed my own priority list, it would probably have been the last article to be written.

To be clear, what I mean is that these inequalities are among the least likely topics to be directly relevant to the TMUA. The exam is highly unlikely to contain a question for which knowledge of either inequality is necessary, and my own mocks do not rely on them. They only made my list because there are occasional questions where they provide a very nice shortcut to the solution, and they have also appeared in mock papers written by several others recently, so I thought it was worth adding the article for the benefit of students.

I have also decided to add a TMUA Relevance Score to every article in the Additional Topics section, to help you decide which topics to prioritise. This relevance score is completely independent of the difficulty of the topic.

In any case, the article is now here. I hope you enjoy it!