# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2013 | January | Q#3

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**Question**

** i. **Express

in the form , where a and b are integers.

** ii. ** Express

in the form , where c is an integer.

**Solution**

i.

We are given;

Since ;

Since ;

** ii.
**

We are given;

Since ;

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