The lines  $\overline{\mathrm{r} }=(6–6\mathrm{s})\overline{ \mathrm{a}} +(4\mathrm{s}–4) \overline{\mathrm{b}} +(4–8\mathrm{s})\overline{ \mathrm{c}}$ and $\overline{\mathrm{r}} = (2\mathrm{t}–1) \overline{\mathrm{a}} +(4\mathrm{t}–2)\overline{ \mathrm{b}} –(2\mathrm{t}+3)\overline{ \mathrm{c}}$ intersect at

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!