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Question

If $\vec{a} = 2\hat{i} - 3\hat{j} - \hat{k}$ and $\vec{b} = \hat{i} + 4\hat{j} - 2\hat{k}$, then $\vec{a} \times \vec{b}$ is

$10\hat{i} + 2\hat{j} + 11\hat{k}$

$10\hat{i} + 3\hat{j} + 11\hat{k}$

$10\hat{i} - 3\hat{j} + 11\hat{k}$

$10\hat{i} - 3\hat{j} - 10\hat{k}$

Solution

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