Distance of the point \[P(\vec{p})\] from the line \[\vec{r}=\vec{a}+\lambda \vec{b}\] is

\[\left| (\vec{a}-\vec{p})+\frac{((\vec{p}-\vec{b}).\vec{b})\vec{b}}{{{\left| {\vec{b}} \right|}^{2}}} \right|\]

\[\left| (\vec{a}-\vec{p})+\frac{((\vec{p}-\vec{a}).\vec{b})\vec{b}}{{{\left| {\vec{b}} \right|}^{2}}} \right|\]

\[\left| (\vec{b}-\vec{p})+\frac{((\vec{p}-\vec{a}).\vec{b})\vec{b}}{{{\left| {\vec{b}} \right|}^{2}}} \right|\]

Distance of the point \[P(\vec{p})\] from the line \[\vec{r}=\vec{a}+\

1.	Distance of the point \[P(\vec{p})\] from the line \[\vec{r}=\vec{a}+\lambda \vec{b}\] is
A.	\[\left\| (\vec{a}-\vec{p})+\frac{((\vec{p}-\vec{a}).\vec{b})\vec{b}}{{{\left\| {\vec{b}} \right\|}^{2}}} \right\|\]
B.	\[\left\| (\vec{b}-\vec{p})+\frac{((\vec{p}-\vec{a}).\vec{b})\vec{b}}{{{\left\| {\vec{b}} \right\|}^{2}}} \right\|\]
C.	\[\left\| (\vec{a}-\vec{p})+\frac{((\vec{p}-\vec{b}).\vec{b})\vec{b}}{{{\left\| {\vec{b}} \right\|}^{2}}} \right\|\]
D.	None of these
Answer» C. \[\left\| (\vec{a}-\vec{p})+\frac{((\vec{p}-\vec{b}).\vec{b})\vec{b}}{{{\left\| {\vec{b}} \right\|}^{2}}} \right\|\]

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Distance of the point \[P(\vec{p})\] from the line \[\vec{r}=\vec{a}+\lambda \vec{b}\] is

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