Find the vector equation of the line passing through $(1,2,3)$ and parallel to the planes $\overrightarrow{\mathrm{r}} \cdot(\hat{\mathrm{i}}-\hat{\mathrm{j}}+2 \hat{\mathrm{k}})=5$ and $\overrightarrow{\mathrm{r}} \cdot(3 \hat {\mathrm{i}}+\hat{\mathrm ...
How to type a particular kind of unit vector? - TeX - LaTeX Stack Exchange
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Class 12 : exercise-2 : ABCDEF is a regular hexagon when centre O is the origin If the position vector of A is then is e