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The fundamental difference between the political systems in the UK and the US, is that the UK has a Parliamentary Monarchy and the US is a Federal Republic, which changes how the systems work and who they...
When we find the product of two terms that has the same base (in this case, a), we can simply add the powers. This can be explained using knowledge of squares and cubed. a2 = a...
This is one of the most common questions received at A-Level, and it is one of the questions which best highlights the jump from GCSE to A-Level. My understanding of the requirements of the A-Level paper...
firstly explain (x-3)2 = (x-3)(x-3) on the whiteboard I'd draw a square grid with each of the numbers, then I'd multiply out. E.g. x multiplied by x = x2; x multiplied by -3 = -3x an...
Waterfalls form where the river bed has a layer of harder rock overlying the softer rocks. As water falls the softer rock is eroded more quickly than the harder rock leading to undercutting of the harder ...
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