For what value of k, the matrix A = ≤ft[matrix2&k k&3] will be singul…

\(\sqrt { 6 }\)

-\(\sqrt { 6 }\)

Both \(\sqrt { 6 }\) and -\(\sqrt { 6 }\)

Neither \(\sqrt { 6 }\) nor -\(\sqrt { 6 }\)