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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 4 · Set 2 · Q7
If |-1, 2, 4; 1, x, 1; 0, 3, 3 x| =-57, the product of the possible values of x is:
If $\displaystyle \left|\begin{array}{ccc}-1 & 2 & 4 \\ 1 & \mathrm{x} & 1 \\ 0 & 3 & 3 \mathrm{x}\end{array}\right|=-57$, the product of the possible values of x is :
Official answer
(A)
$\displaystyle -24$
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CBSE Class 12 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.