If A = \(\left| {\begin{array}{*{20}{c}} 1& -2\\ 3&\rm -k \end{array}} \right|\) is a singular matrix, then value of k

If A = \(\left| {\begin{array}{*{20}{c}} 1& -2\\ 3&\rm -k \end{array}

1.	If A = \(\left\| {\begin{array}{*{20}{c}} 1& -2\\ 3&\rm -k \end{array}} \right\|\) is a singular matrix, then value of k
A.	0
B.	-6
C.	6
D.	8
Answer» D. 8

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If A = \(\left| {\begin{array}{*{20}{c}} 1& -2\\ 3&\rm -k \end{array}} \right|\) is a singular matrix, then value of k

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