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You can find the stationary points by differentiating the equation and then solving it for zero. What this means, is that you can take the power of the Xs in the equation, and differentiate by bringing th...

First of all this is something that people very frequently struggle with and it can be difficult to get your head around at first. But if we were to look at the demand curve it is easier to visualise the ...

To solve these equations, we have to rearrange the second equation to make x ‘the subject’ and then we can substitute it into the first one. First, subtract 2y from both sides so x=1-2yNext substitute thi...

The first thing to do once you've finished reading a poem, before you even begin to analyse in-depth, is to think about how the writer is trying to make you (the reader) feel and make a note of any themes...

The Red Army were not only the most significant reason Lenin strengthened control over Russia but also critical to implementing the one party state, The Red Army were comprised of 300,000 men and Trotsky ...