# Electronics and Communication Engg - ECE

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Question of the Day
GATE 2016   EC   Question No. 111
The value of \$x\$ for which the matrix $A=\left[\begin{array}{ccc}3& 2& 4\\ 9& 7& 13\\ -6& -4& -9+x\end{array}\right]$

has zero as an eigenvalue is ________