Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

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1. Q19 2026 Set F2026 Set H2019 Set F

   Find the sine of the angle between the two vectors $3\hat{i}+\hat{j}+2\hat{k}$ and…

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2. Q98 2019 Set F

   $\vec{a}\cdot\vec{b} = ?$

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3. Q99 2019 Set F

   The modulus of the vector $19\hat{i}+5\hat{j}-6\hat{k}$ is -

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4. Q100 2019 Set F

   $\vec{k} \times \vec{k} = ?$

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5. Q101 2019 Set F

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

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6. Q102 2019 Set F

   $(\vec a \times \vec a)\cdot\vec b = ?$

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7. Q103 2019 Set F20162015

   If $\vec{a}=2\hat{i}-3\hat{j}-5\hat{k}$ and $\vec{b}=-7\hat{i}+6\hat{j}+8\hat{k}$, find $\vec{a}\times\vec{b}$

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8. Q104 2019 Set F2016

   The position vector of the point $(x, y, z)$ is

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