Find the unit vector in the direction of the vector ` veca= hat i+ hat j+2 hat k`

Explanation

To find the unit vector in the direction of the vector \( \vec{a} = \hat{i} + \hat{j} + 2\hat{k} \), we will follow these steps:

### Step 1: Identify the components of the vector
The vector \( \vec{a} \) can be expressed in terms of its components:
- \( x = 1 \) (coefficient of \( \hat{i} \))
- \( y = 1 \) (coefficient of \( \hat{j} \))
- \( z = 2 \) (coefficient of \( \hat{k} \))

...