If \(A=\begin{bmatrix}4 & x\\6 & 3\end{bmatrix}\) is a singular matrix then \(x\) is
Q.1 (A) (ii) If \(A=\begin{bmatrix}4 & x\\6 & 3\end{bmatrix}\) is a singular matrix then \(x\) is
A. 2
B. \(-2\)
C. 3
D. \(-3\)
1 answer
Best answer
Answer: A. 2
Answer: (a) 2
A singular matrix has \(|A|=0\): \(4(3)-6x=0\Rightarrow 12=6x\Rightarrow x=2\).
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· 28 Oct 2026
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