A vector diagram shows a triangle OABOABOAB.
OA⃗=2a \vec{OA} = 2\mathbf{a} OA=2a OB⃗=3b \vec{OB} = 3\mathbf{b} OB=3bP P\,P is the point on AB AB\,AB such that AP:PB=1:4AP:PB = 1:4AP:PB=1:4
OP⃗=k(8a+3b) \vec{OP} = k(8\mathbf{a} + 3\mathbf{b}) OP=k(8a+3b)
Find the value of kkk.
23 exam-style questions on AQA GCSE Maths Vectors Proof Questions. Each one has a worked solution and a mark scheme showing where the marks go.