Write a vector of magnitude 9 units in the direction of vector `-2 hat i+ hat j+2 hat k`

Explanation

To find a vector of magnitude 9 units in the direction of the vector \(-2 \hat{i} + \hat{j} + 2 \hat{k}\), we can follow these steps:

### Step 1: Define the given vector
Let the given vector be:
\[ \mathbf{a} = -2 \hat{i} + \hat{j} + 2 \hat{k} \]

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