Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2011 | Oct-Nov | (P1-9709/13) | Q#1
The coefficient of in the expansion of , is 30. Find the value of .
Expression for the Binomial expansion of is:
In the given case:
Since the coefficient of in the expansion of , is 30:
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