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Previous Year Question (PYQs)
3
Let $d\in\mathbb{R}$, and
$A=\begin{bmatrix}
-2 & 4+d & \sin\theta-2\\
1 & \sin\theta+2 & d\\
5 & 2\sin\theta-d & -\sin\theta+2+2d
\end{bmatrix},\ \theta\in[0,2\pi].$
If the minimum value of $\det(A)$ is $8$, then a value of $d$ is:
Solution
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