For how many values of k, is the matrix \(\left[ {\begin{array}{*{20}{c}} 0&{\rm{k}}&4\\ { - {\rm{k}}}&0&{ - 5}\\ { - {\rm{k}}}&{\rm{k}}&{ - 1} \end{array}} \right]\) singular?

For how many values of k, is the matrix \(\left[ {\begin{array}{*{20}

1.	For how many values of k, is the matrix \(\left[ {\begin{array}{*{20}{c}} 0&{\rm{k}}&4\\ { - {\rm{k}}}&0&{ - 5}\\ { - {\rm{k}}}&{\rm{k}}&{ - 1} \end{array}} \right]\) singular?
A.	Only one
B.	Only two
C.	Only four
D.	Infinite
Answer» E.