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There are two vectors vecA= 3hati+hatj ...

There are two vectors `vecA= 3hati+hatj and vecB=hatj+2hatk`. For these two vectors -
(a) If `vecA & vecB` are the adjacent sides of a parallelogram then find the magnitude of its area.
(b) Find a unit vector which is perpendicular to both `vecA & vecB`.

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To solve the given problem, we will break it down into two parts as specified. ### Part (a): Finding the Area of the Parallelogram 1. **Identify the vectors**: \[ \vec{A} = 3\hat{i} + \hat{j}, \quad \vec{B} = \hat{j} + 2\hat{k} \] ...
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