# IIT JEE 1983 Maths - MCQ Question 20

Geometry Level 4

The volume of the parallelopiped whose sides are given by $$\vec{OA}=2\hat{i}-3\hat{j}$$, $$\vec{OB} =\hat i + \hat j - \hat k$$ and $$\vec{OC} = 3 \hat i - \hat k$$ is $$\text{__________}.$$

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