The area of a parallelogram whose two adjacent sides are represented by the vector \[3\mathbf{i}-\mathbf{k}\] and \[\mathbf{i}+2\mathbf{j}\] is [MNR 1981]

The area of a parallelogram whose two adjacent sides are represented b

1.	The area of a parallelogram whose two adjacent sides are represented by the vector \[3\mathbf{i}-\mathbf{k}\] and \[\mathbf{i}+2\mathbf{j}\] is [MNR 1981]
A.	\[\frac{1}{2}\sqrt{17}\]
B.	\[\frac{1}{2}\sqrt{14}\]
C.	\[\sqrt{41}\]
D.	\[\frac{1}{2}\sqrt{7}\]
Answer» D. \[\frac{1}{2}\sqrt{7}\]

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The area of a parallelogram whose two adjacent sides are represented by the vector \[3\mathbf{i}-\mathbf{k}\] and \[\mathbf{i}+2\mathbf{j}\] is [MNR 1981]

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