The points R R\,R and S S\,S have position vectors i−2j+4k\mathbf{i} - 2\mathbf{j} + 4\mathbf{k}i−2j+4k and 5i+2j+2k5\mathbf{i} + 2\mathbf{j} + 2\mathbf{k}5i+2j+2k respectively.
a.
Find the vector RS⃗\vec{RS}RS
[3]
b.
Find ∣RS⃗∣|\vec{RS}|∣RS∣
[3]
1.11.7 Language of vectors in three dimensions (A-level only) Questions
