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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 1 · Q3
If |- a, b, c; a, - b, c; a, b, - c| = kabc, then the value of k is:
If $\displaystyle \left|\begin{array}{rrr}-\mathrm{a} & \mathrm{b} & \mathrm{c} \\ \mathrm{a} & -\mathrm{b} & \mathrm{c} \\ \mathrm{a} & \mathrm{b} & -\mathrm{c}\end{array}\right|=\mathrm{kabc}$, then the value of k is :
Official answer
(D)
$\displaystyle 4$
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CBSE Class 12 Mathematics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.