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How can I improve my exam technique?

A common problem amongst Biology students is the difficulty in knowing the content well, but not being able to translate this knowledge into marks when it comes to the exam. Your exam technique is vitally im...
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Answered by Lucy D. • Biology tutor
7397 Views

Derive Keplers 3rd law

Equate gravitational force (GMm/r^2) to centripetal force (mv^2/r). Rearrange to get v^2=GM/r. Due to the approximated circular orbit v=2pir/T so v^2=4pi^2r^2/T^2. Therefore GM/r=4pi^2r^2/T^2. Rearranging gi...
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Answered by Michael S. • Physics tutor
5056 Views

What makes good analysis?

In your essay answers, your analysis should work at two levels. Firstly you should be 'zooming in' to analyse the text at an individual word level. Look for individual word choices and consider why the text ...
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11264 Views

How can I ensure I have a strong argument running through my answer?

Examiners look for your essay to have a clear running argument throughout, and every point you make should be contributing obviously to your line of argument. Use your introduction to set up your argument. L...
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7012 Views

How do you integrate ln(x)?

Use the method of integration by parts. uv-integral(v.du/dx). Make u equal to ln(x) and dv/dx equal to 1. Therefore v=x and du/dx=1/x. Hence uv=xln(x). And v.du/dx=x/x=1. Substituting these into the 'by part...
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Answered by Michael S. • Maths tutor
3708 Views