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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q16
If (3 i -2 j +5 k ) ×(4 i + p j + q k )= 0, then the values of p and q are:
If $\displaystyle (3 \hat{i}-2 \hat{j}+5 \hat{k}) \times(4 \hat{i}+\mathrm{p} \hat{j}+\mathrm{q} \hat{k})=\overrightarrow{0}$, then the values of $\displaystyle \mathrm{p}$ and $\displaystyle \mathrm{q}$ are:
Official answer
(B)
$\displaystyle \mathrm{p}=-\frac{8}{3}, \mathrm{q}=\frac{20}{3}$
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