Question:medium

The value of $[ \vec{i} + \vec{j}, \vec{j} + \vec{k}, \vec{k} + \vec{i} ]$ is:

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A useful identity: $[\vec{a}+\vec{b}, \vec{b}+\vec{c}, \vec{c}+\vec{a}] = 2[\vec{a}, \vec{b}, \vec{c}]$. Here $[\vec{i}, \vec{j}, \vec{k}] = 1$.

Updated On: Apr 8, 2026

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The Correct Option is A

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