Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

6 of 122 · show all

1. Q5 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2024 Set J2024 Set D

   If $3\vec{i} + \vec{j} - 2\vec{k}$ and $\vec{i} + \lambda\vec{j} - 3\vec{k}$ are perpendicular to each other…

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2. Q51 2024 Set D

   The angle between the vectors $2\vec{i} - 3\vec{j} + 2\vec{k}$ and $\vec{i} + 4\vec{j} + 5\vec{k}$ is

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3. Q53 2024 Set D2024 Set J

   The projection of the vector $\vec{i} - 2\vec{j} + \vec{k}$ on the vector $4\vec{i} - 4\vec{j} + 7\vec{k}$ is

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4. Q56 2024 Set D2024 Set J20162015

   $\vec{k}\cdot\vec{j}=$

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5. Q57 2024 Set D2024 Set J

   $(4\vec{i}+3\vec{j}+3\vec{k})\cdot(6\vec{i}-4\vec{j}+\vec{k})=$

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6. Q60 2024 Set J

   The angle between the vectors $2\vec{i}-3\vec{j}+2\vec{k}$ and $\vec{i}+4\vec{j}+5\vec{k}$ is

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