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How do I find the limit as x-->infinity of (4x^2+5)/(x^2-6)?

Here you will deal with all problems of the same type in a very similar way. Intuition first tells us that we can’t really find the limit, as both the top (4x 2 +5), and the bottom (x 2 -6) parts of the frac...
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4071 Views

Solve the simultaneous equations (with a calculator)

x^2 + y^2 = 9 x + y = 2 1) Firstly look at the second equation which is the simplest and think how you can rearrange it to fit into the first equation: x + y = 2 can be rearranged to y = 2-x 2) y = 2-x can t...
EG
Answered by Emily G. • Maths tutor
18985 Views

Analysing a short poem in order to get the highest marks

Poem analysis has several dimensions to it all of which you need to address in order to write an answer worthy of the top marking band. The first time you read through the essay try to do so aloud and withou...
JB
5706 Views

How do I avoid falling into the second mark band when analysing a source?

Source analysis in GCSE history exams can be exceedingly tricky and it is very easy to miss out on the top marks because of a phrase or observation that the marking scheme deems as lower tier. When analysing...
JB
Answered by James B. • History tutor
4023 Views

How should I structure my introduction in order to maximise my marks?

The introduction is the most important part of your entire essay as examiners will have already decided once they've read it which marking band they feel you belong in. As such your introduction needs to not...
JB
Answered by James B. • History tutor
4040 Views