Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2007 | January | Q#2

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Question

a.   Express  in the form , where a is an integer.

b.   Express  in the form , where b and c are integers to be found.

Solution

a.
 

We are given;

Since ;

b.
 

We are given;

We have algebraic formula;

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