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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