Find the Value of a If the Following Matrix Is $\left[ \begin{array} { l l } - 4 & 2 \\- 6 & a\end{array} \right]$

question 2

Multiple Choice

Find the value of a if the following matrix is singular $\left[ \begin{array} { l l } - 4 & 2 \\- 6 & a\end{array} \right]$

• A) \(\frac { 1 } { 3 }\)
• B) 3
• C) 0
• D) \(- \frac { 1 } { 3 }\)
• E) \(- 3\)

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