Hits: 366

Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2002 | Oct-Nov | (P1-9709/01) | Q#7

Hits: 366 Question Given that   ,  and  , find i.         the angle between the directions of  and , ii.       the value of  for which  and  are perpendicular. Solution We have the position vectors; i.   To find the direction (i.e. angle) between  and  we first find the scalar/dot product of  and . The scalar or dot product of […]