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Previous Year Question (PYQs)
2
Let the numbers $2, b, c$ be in an A.P. and
$
A =
\begin{bmatrix}
1 & 1 & 1 \\
2 & b & c \\
4 & b^2 & c^2
\end{bmatrix}.
$
If $\det(A) \in [2, 16]$, then $c$ lies in the interval:
Solution
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