\displaystyle \int \frac{1}{4-x^2} dx = \frac{1}{2} artanh \frac{x}{2} +c =\frac{1}{4} \ln \frac{x+2}{2-x}}
\displaystyle \int \frac{1}{1-x^2} dx =\frac{1}{2} \ln \left \mid \frac{1+x}{1-x} \right \mid
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Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
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Last reply 3 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrong71