The points R R\,R and S S\,S have position vectors (−520)\begin{pmatrix} -5 \\ 2 \\ 0 \end{pmatrix}−520 and (1−34)\begin{pmatrix} 1 \\ -3 \\ 4 \end{pmatrix}1−34 respectively.
Find the exact length of RSRSRS.
95 exam-style questions on WJEC A Level Maths 4.11.1 Vectors (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.