Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

5 of 122 · show all

1. Q40 2025 Set A2024 Set D2024 Set J

   $|\vec{i}-\vec{j}-3\vec{k}| =$

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2. Q49 2024 Set D2024 Set J2018

   If $\vec{a} = \vec{i} + \vec{j} + 2\vec{k}$, then the corresponding unit vector $\hat{a}$ in the direction of…

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3. Q54 2024 Set D

   If $\vec{a} = \hat{i} - \hat{j} + \hat{k}$ and $\vec{b} = 2\hat{i} + \hat{j} + 3\hat{k}$ then find the value…

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4. Q59 2024 Set J2018

   The direction cosines of the vector $3\vec{i} - 4\vec{j} + 12\vec{k}$ is

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5. Q61 2024 Set J

   If $\vec{a} = \vec{i} - \vec{j} + \vec{k}$ and $\vec{b} = 2\vec{i} + \vec{j} + 3\vec{k}$ then find the value…

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