Question Id : 16032 |
Context : JEE Main 2017 (9 April Morning Shift)
If the vector $\vec{b} = 3\vec{j} + 4\vec{k}$ is written as the sum of a vector $\vec{b_1}$ parallel to
$\vec{a} = \vec{i} + \vec{j}$ and a vector $\vec{b_2}$ perpendicular to $\vec{a}$,
then $\vec{b_1} \times \vec{b_2}$ is equal to:
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