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Firstly we rearrange the expression to the required form:x² + y² + 20x - 14y + 49 = 0 which gives (x + 10)² - 100 + (y - 7)² - 49 + 49 = 0 and so ...

Firstly split up the ln(x/7) = ln(x) - ln(7) using rules of logarithms learnt in your first year of A-levels, as this will reduce any likely error.Secondly, recognise that the -ln(7) term is constant, and...

Firstly, you should check your syllabus to see what stipulations there are about the texts you are comparing. Does one have to be a poem, or pre-1900, do you have to compare two different mediums of texts...

A myelinated neurone is insulated by a layer of Schwann cells that make up the myelin sheath. This aids in the faster conduction of an action potential down the neuronal axon. Depolarisation of the axon c...

It is crucial that you choose a question which has scope for evaluation - perhaps assessing the impact or success of something - and debate. This way in answering the question, you will automatically be a...