Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

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1. Q110 2017

   If $\vec{a} = \vec{i} + \vec{j} + 3\vec{k}; \vec{b} = 2\vec{i} + 3\vec{j} - 5\vec{k}$ then $\vec{a}.\vec{b} =$

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2. Q111 2017

   If $\vec{a}$ and $\vec{b}$ are mutually perpendicular then $3\vec{j}$

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