Practicing Success
Practicing Success
CUET Preparation Today
The unit vector in the direction of sum of vectors $\vec{a}=2\hat{i}-\hat{j} +\hat{k}$ and $\vec{b}=2\hat{j}+\hat{k}$ is : |
$\frac{2\hat{i}+\hat{j}+2\hat{k}}{3}$ $2\hat{i}+\hat{j}+2\hat{k}$ $\frac{2\hat{i}+\hat{j}+2\hat{k}}{5}$ $\frac{2\hat{i}+\hat{j}+2\hat{k}}{7}$ |
$\frac{2\hat{i}+\hat{j}+2\hat{k}}{3}$ |
