Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2016 | Oct-Nov | (P1-9709/11) | Q#2

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Question

Find the term independent of  in the expansion of .

Solution

Expression for the Binomial expansion of  is:

In the given case:

Hence;

 

 

 

 

The term independent of  in the expansion of is .

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