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How many diagrams is it best to use in an extended essay?

It's a common misconception that more diagrams are always better. In fact, a diagram that is ill-defined or poorly linked to the question will not add anything to your answer and it can demonstrate a lack of...
DC
Answered by David C. • Economics tutor
9516 Views

How do you approach a question that asks for you to identify the conclusion from a few statements

As with all questions in the TSA, the focus on Speed as well as accuracy. First skim through the passage briefly to understand the nature of the argument. Next, if you've identfied the most important sentenc...
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Answered by David C. • TSA Oxford tutor
4339 Views

Which university should I apply to, Cambridge or Oxford?

There are 32 medical schools in the UK currently and you will only be able to choose 4 (plus one biomed) - so it is understandable you may have some difficulty narrowing them down. Cambridge and Oxford are i...
CR
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Let f(x) and g(x) be two odd functions defined for all real values of x. Given that s(x)=f(x)+g(x), prove that s(x) is also an odd function.

We recall that a function f(x) is said to be an odd function when f(-x)=-f(x) . We are told that f(x) and g(x) are odd functions, so we know from the above definition that: 1. f(-x)=-f(x) 2. g(-x)=-g(x) Solu...
KH
Answered by Keir H. • Maths tutor
14893 Views

Explain what happens to magnesium and oxygen atoms when they react to form Magnesium oxide.

When this reaction occurs, strong ionic bonds form between two oppositely charged particles (ions). Magnesium is a group II metal, and therefore has two electrons in it's highest energy level (or outermost e...
MC
Answered by Mathew C. • Chemistry tutor
106016 Views