If an angle between the line, \(\frac{{{\rm{x}} + 1}}{2} = \frac{{{\rm{y}} - 2}}{1} = \frac{{{\rm{z}} - 3}}{{ - 2}}{\rm{\;}}\) and the plane, x – 2y – kz = 3 is \({\rm{co}}{{\rm{s}}^{ - 1}}\left( {\frac{{2\sqrt 2 }}{3}} \right),\) then a value of k is

\({\rm{\;}}\sqrt {\frac{3}{5}}\)

\(\begin{array}{*{20}{c}} {{\rm{\;}}\sqrt {\frac{5}{3}} }&{\rm{\;}} \end{array}\)

If an angle between the line, \(\frac{{{\rm{x}} + 1}}{2} = \frac{{{\r

1.	If an angle between the line, \(\frac{{{\rm{x}} + 1}}{2} = \frac{{{\rm{y}} - 2}}{1} = \frac{{{\rm{z}} - 3}}{{ - 2}}{\rm{\;}}\) and the plane, x – 2y – kz = 3 is \({\rm{co}}{{\rm{s}}^{ - 1}}\left( {\frac{{2\sqrt 2 }}{3}} \right),\) then a value of k is
A.	\(\begin{array}{*{20}{c}} {{\rm{\;}}\sqrt {\frac{5}{3}} }&{\rm{\;}} \end{array}\)
B.	\({\rm{\;}}\sqrt {\frac{3}{5}}\)
C.	\(- \frac{3}{5}\)
D.	\(- \frac{5}{3}\)
Answer» B. \({\rm{\;}}\sqrt {\frac{3}{5}}\)

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If an angle between the line, \(\frac{{{\rm{x}} + 1}}{2} = \frac{{{\rm{y}} - 2}}{1} = \frac{{{\rm{z}} - 3}}{{ - 2}}{\rm{\;}}\) and the plane, x – 2y – kz = 3 is \({\rm{co}}{{\rm{s}}^{ - 1}}\left( {\frac{{2\sqrt 2 }}{3}} \right),\) then a value of k is

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