Hits: 232

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2005 | Oct-Nov | (P1-9709/01) | Q#4

Hits: 232 Question Relative to an origin , the position vectors of the points , and   are given by where  is a constant. i.       In the case where , use a scalar product to show that   .    ii.       Find the values of q for which the length of  is 6 units. Solution i.   We are given that . Therefore, […]

# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2005 | May-Jun | (P1-9709/01) | Q#11

Hits: 502 Question Relative to an origin , the position vectors of the points , and   are given by i.       Use a scalar product to find angle AOB, correct to the nearest degree.    ii.       Find the unit vector in the direction of  .   iii.       The point C is such that  , where  is a constant. Given that the lengths of […]