Hits: 157

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2018 | Feb-Mar | (P1-9709/12) | Q#2

Hits: 157 Question      i.       Find the coefficients of  and  in the expansion of .    ii.       Hence find the coefficient of  in the expansion of . Solution i.   Expression for the general term in the Binomial expansion of  is: First we rewrite the expression in the standard form; In the given case: Hence; […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2018 | May-Jun | (P1-9709/13) | Q#2

Hits: 94 Question Find the coefficient of   in the expansion of . Solution We are required to find the coefficient of in the expansion of . We are given expression as; Expression for the general term in the Binomial expansion of  is: First rewrite the given expression in standard form. In the given case: […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2018 | May-Jun | (P1-9709/12) | Q#1

Hits: 290 Question The coefficient of  in the expansion of is 330. Find the value of  the constant a. Solution We can find the coefficient of in the expansion of given expression by finding  coefficients of in the expansion of individual terms of expression and then adding  them. Let us first find the coefficient of […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2018 | May-Jun | (P1-9709/11) | Q#1

Hits: 337 Question                     i.       Find the first three terms in the expansion, in ascending powers of , of .                   ii.       Given that the coefficient of  in the expansion of is 12, find the value of the constant a. Solution i.   Expression for the Binomial expansion of  is: First rewrite the given expression […]