# 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#4

Hits: 136

Hits: 136

Hits: 801 Question On a certain day, the height of a young bamboo plant was found to be 40 cm. After exactly one day its height was found to be 41.2 cm. Two different models are used to predict its height exactly 60 days after it was first measured. · Model A assumes that the […]

Hits: 434 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; […]