# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2014 | Oct-Nov | (P1-9709/13) | Q#4

Hits: 1956 Question Three geometric progressions, P, Q and R, are such that their sums to infinity are the first three terms respectively of an arithmetic progression. Progression P is; Progression Q is; i. Find the sum to infinity of progression R. ii. Given that the first term of R is 4, find the sum of the first three terms […]