# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2010 | Oct-Nov | (P2-9709/23) | Q#4

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**Question**

**a. **Find .

**b. **Express in terms of and hence find .

**Solution**

**a. **

We are required to find;

Rule for integration of , or ;

**b. **

We know that , therefore;

Hence;

Therefore;

Rule for integration of is:

Rule for integration of is:

Rule for integration of is:

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