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.
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1.11.7 Language of vectors in three dimensions (A-level only) Questions