iran-konkur 2016 Q134

iran-konkur · Other · konkur-riazi_1395_specialized Vectors 3D & Lines Distance from a Point to a Line (Show/Compute)
134- What is the initial distance from the line passing through point $(1, 2, -3)$ parallel to the vector with components $(4, -3, -5)$?
(1) $\dfrac{\sqrt{5}}{2}$ (2) $\sqrt{3}$ (3) $\sqrt{5}$ (4) $2\sqrt{3}$
\textbf{134-} What is the initial distance from the line passing through point $(1, 2, -3)$ parallel to the vector with components $(4, -3, -5)$?

\medskip
(1) $\dfrac{\sqrt{5}}{2}$ \hfill (2) $\sqrt{3}$ \hfill (3) $\sqrt{5}$ \hfill (4) $2\sqrt{3}$

\medskip