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Start by reading it aloud (or in your head if in an exam) to get an idea of the rhythm and rhyme. There is a lot to say about both: rhyming patterns say a lot about the poem (e.g. ABBA/ ABAB tends to have...

The creative writing section is some people's favourite part of the exam, and some people's most detested. The key thing to remember is that, above all, the examiners are looking for descriptive language-...

For x!=0, multiply the equation by x to get x^4+5x^2+1=0. Then substitute t=x^2 where t>=0. So the equation has a form t^2+5t+1. Then find the discriminant and two roots. One of the roots t2<0 doesn...

Get a line a form y=-ax/b-c/b, then substitute into a cirle equation (x-p)^2 +(y-s)^2=r^2. Get a quadratic and find whether a discriminant is equal to zero. If it is then the line is tangent to a circle. ...

When talking about a state employing "monetary policy" to achieve macroeconomic objectives (low and steady rate of inflation and growth; low unemployment; stability in the balance of payments), ...