The position vectors of A and B are \[2\mathbf{i}-9\mathbf{j}-4\mathbf{k}\] and \[6\mathbf{i}-3\mathbf{j}+8\mathbf{k}\] respectively, then the magnitude of \[\overrightarrow{AB}\] is [MP PET 2000]

The position vectors of A and B are \[2\mathbf{i}-9\mathbf{j}-4\mathbf

1.	The position vectors of A and B are \[2\mathbf{i}-9\mathbf{j}-4\mathbf{k}\] and \[6\mathbf{i}-3\mathbf{j}+8\mathbf{k}\] respectively, then the magnitude of \[\overrightarrow{AB}\] is [MP PET 2000]
A.	11
B.	12
C.	13
D.	14
Answer» E.

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The position vectors of A and B are \[2\mathbf{i}-9\mathbf{j}-4\mathbf{k}\] and \[6\mathbf{i}-3\mathbf{j}+8\mathbf{k}\] respectively, then the magnitude of \[\overrightarrow{AB}\] is [MP PET 2000]

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