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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 1 · Q15
If | a |=8,| b |=3 and | a × b |=12, then the value of | a · b |
If $\displaystyle |\vec{a}|=8,|\vec{b}|=3$ and $\displaystyle |\vec{a} \times \vec{b}|=12$, then the value of $\displaystyle |\vec{a} \cdot \vec{b}|$
Official answer
(C)
$\displaystyle 12 \sqrt{3}$
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