# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2017 | Oct-Nov | (P1-9709/13) | Q#9

Hits: 1732 Question Relative to an origin O, the position vectors of points A, B and C are given by and A fourth point, D, is such that the magnitudes , and are the first, second and third terms respectively of a geometric progression. i. Find the magnitudes , and . ii. Given that D is a point lying on […]