question_answer

The direction cosines of the line \[4x-4=1-3y=2z-1\] are

A)  \[\frac{3}{\sqrt{56}},\,\,\frac{4}{\sqrt{56}},\,\,\frac{6}{\sqrt{56}}\]        

B)  \[\frac{3}{\sqrt{29}},\,\,\frac{-4}{\sqrt{29}},\,\,\frac{6}{\sqrt{29}}\]

C)  \[\frac{3}{\sqrt{61}},\,\,\frac{-4}{\sqrt{61}},\,\,\frac{6}{\sqrt{61}}\]       

D)  \[\frac{4}{\sqrt{29}},\,\,\frac{-3}{\sqrt{29}},\,\,\frac{2}{\sqrt{29}}\]

E)  None of these