Context for question 25The diagram shows triangle ABC and straight line ACD. P lies on AB and AP:PB=4:1. Q lies on BC and BQ=52BC. AB=m and AC=5n.
25(a)(ii)Vector Geometry ProofsMedium3 marksFind PQ.WorkingTypeWriteMath0 wordsPQ=Grade answerSolutionGrading criteria
25(b)Vector Geometry ProofsHard3 marksCD=3n Show that P, Q and D lie on a straight line.WorkingTypeWriteMath0 wordsGrade answerSolutionGrading criteria