1.

The distance between the line \[\mathbf{r}=2\mathbf{i}-2\mathbf{j}+3\mathbf{k}+\lambda (\mathbf{i}-\mathbf{j}+4\mathbf{k})\] and the plane \[\mathbf{r}.(\mathbf{i}+5\mathbf{j}+\mathbf{k})=5\] is [AIEEE 2005]

A.   \[\frac{3}{10}\]
B.   \[\frac{10}{3}\]
C.   \[\frac{10}{9}\]
D.   \[\frac{10}{3\sqrt{3}}\]
Answer» E.


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