# The shortest distance of the point $(2 , 10 ,1 )$ from the plane $\overrightarrow{r}.(\overrightarrow{3i}-\overrightarrow{j}+\overrightarrow{4k})=2\sqrt{26}$ is
$\begin{array}{1 1 }(1)2\sqrt{26}&(2)\sqrt{26}\\(3)2&(4)\frac{1}{\sqrt{26}}\end{array}$