Question Id : 15973 |
Context : JEE Main 2018 (16 April Morning Shift)
Let
$\vec{a} = \hat{i} + \hat{j} + \hat{k}$,
$\vec{c} = \hat{j} - \hat{k}$,
and a vector $\vec{b}$ be such that
$\vec{a} \times \vec{b} = \vec{c}$
and
$\vec{a} \cdot \vec{b} = 3$.
Then $|\vec{b}|$ equals:
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