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Vector Algebra (Weightage 5%)
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Analysis of JEE Main 2018 paper for Vector Algebra

*This information is based on our expert's research

Topics from Vector Algebra

Vectors and scalars, addition of vectors, components of a vector in two dimensions and three dimensional space (34 concepts)
Scalar and vector products, scalar and vector triple product (70 concepts)

Important Books for Vector Algebra

Previous Year Question For Vector Algebra

Let $\underset{u}{\rightarrow}$ be a vector coplanar with the vectors $\underset{a}{\rightarrow}$ $= 2\hat{i}+3\hat{j}-\hat{k}$ and $\underset{b}{\rightarrow}$ $= \hat{j}+\hat{k}$ . If $\underset{u}{\rightarrow}$ is perpendicular to $\underset{a}{\rightarrow}$ and $\underset{u}{\rightarrow}$ • $\underset{b}{\rightarrow}$ = 24, then $\left | \vec{u} \right |^{2}$ is equal to :
Let $\vec{a} =\hat{i}+\hat{j}+\hat{k}$ , $\vec{c}= \hat{j}-\hat{k}$ and a vector $\overrightarrow{b}$ be such that $\vec{a}\times \vec{b}= \vec{c}$

and $\vec{a}\cdot \vec{b}= 3$ then $\left | \vec{b} \right |$ equals
If $\vec{a},\; \vec{b},\: and\: \vec{c}$ are unit vectors such that $\vec{a}+2 \vec{b}+2\vec{c}=\vec{0},\; \; then\: \: \left | \vec{a }\times \vec{c} \right |$ is equal to :

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